Move from CONFIG_SYS_EXTRA_OPTIONS to Kconfig option.
Signed-off-by: York Sun <york.sun@nxp.com>
 config ARCH_T4240
        bool
 
+config SECURE_BOOT
+       bool    "Secure Boot"
+       help
+               Enable Freescale Secure Boot feature. Normally selected
+               by defconfig. If unsure, do not change.
+
 config MAX_CPUS
        int "Maximum number of CPUs permitted for MPC85xx"
        default 12 if ARCH_T4240
 
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
-CONFIG_SYS_EXTRA_OPTIONS="SECURE_BOOT"
+CONFIG_SECURE_BOOT=y
 CONFIG_BOOTDELAY=10
 CONFIG_SYS_CONSOLE_IS_IN_ENV=y
 CONFIG_HUSH_PARSER=y
 
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
-CONFIG_SYS_EXTRA_OPTIONS="NAND_SECBOOT,SYS_CLK_100_DDR_100,SECURE_BOOT"
+CONFIG_SYS_EXTRA_OPTIONS="NAND_SECBOOT,SYS_CLK_100_DDR_100"
+CONFIG_SECURE_BOOT=y
 CONFIG_BOOTDELAY=10
 CONFIG_SYS_CONSOLE_IS_IN_ENV=y
 CONFIG_HUSH_PARSER=y
 
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
-CONFIG_SYS_EXTRA_OPTIONS="NAND_SECBOOT,SYS_CLK_100_DDR_133,SECURE_BOOT"
+CONFIG_SYS_EXTRA_OPTIONS="NAND_SECBOOT,SYS_CLK_100_DDR_133"
+CONFIG_SECURE_BOOT=y
 CONFIG_BOOTDELAY=10
 CONFIG_SYS_CONSOLE_IS_IN_ENV=y
 CONFIG_HUSH_PARSER=y
 
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
-CONFIG_SYS_EXTRA_OPTIONS="SYS_CLK_100_DDR_100,SECURE_BOOT"
+CONFIG_SYS_EXTRA_OPTIONS="SYS_CLK_100_DDR_100"
+CONFIG_SECURE_BOOT=y
 CONFIG_BOOTDELAY=10
 CONFIG_SYS_CONSOLE_IS_IN_ENV=y
 CONFIG_HUSH_PARSER=y
 
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
-CONFIG_SYS_EXTRA_OPTIONS="SYS_CLK_100_DDR_133,SECURE_BOOT"
+CONFIG_SYS_EXTRA_OPTIONS="SYS_CLK_100_DDR_133"
+CONFIG_SECURE_BOOT=y
 CONFIG_BOOTDELAY=10
 CONFIG_SYS_CONSOLE_IS_IN_ENV=y
 CONFIG_HUSH_PARSER=y
 
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
-CONFIG_SYS_EXTRA_OPTIONS="SDCARD,SYS_CLK_100_DDR_100,SECURE_BOOT"
+CONFIG_SYS_EXTRA_OPTIONS="SDCARD,SYS_CLK_100_DDR_100"
+CONFIG_SECURE_BOOT=y
 CONFIG_BOOTDELAY=10
 CONFIG_SYS_CONSOLE_IS_IN_ENV=y
 CONFIG_HUSH_PARSER=y
 
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
-CONFIG_SYS_EXTRA_OPTIONS="SDCARD,SYS_CLK_100_DDR_133,SECURE_BOOT"
+CONFIG_SYS_EXTRA_OPTIONS="SDCARD,SYS_CLK_100_DDR_133"
+CONFIG_SECURE_BOOT=y
 CONFIG_BOOTDELAY=10
 CONFIG_SYS_CONSOLE_IS_IN_ENV=y
 CONFIG_HUSH_PARSER=y
 
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
-CONFIG_SYS_EXTRA_OPTIONS="SPIFLASH,SYS_CLK_100_DDR_100,SECURE_BOOT"
+CONFIG_SYS_EXTRA_OPTIONS="SPIFLASH,SYS_CLK_100_DDR_100"
+CONFIG_SECURE_BOOT=y
 CONFIG_BOOTDELAY=10
 CONFIG_SYS_CONSOLE_IS_IN_ENV=y
 CONFIG_HUSH_PARSER=y
 
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
-CONFIG_SYS_EXTRA_OPTIONS="SPIFLASH,SYS_CLK_100_DDR_133,SECURE_BOOT"
+CONFIG_SYS_EXTRA_OPTIONS="SPIFLASH,SYS_CLK_100_DDR_133"
+CONFIG_SECURE_BOOT=y
 CONFIG_BOOTDELAY=10
 CONFIG_SYS_CONSOLE_IS_IN_ENV=y
 CONFIG_HUSH_PARSER=y
 
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
-CONFIG_SYS_EXTRA_OPTIONS="SECURE_BOOT"
+CONFIG_SECURE_BOOT=y
 CONFIG_BOOTDELAY=-1
 CONFIG_SYS_CONSOLE_IS_IN_ENV=y
 CONFIG_HUSH_PARSER=y
 
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
-CONFIG_SYS_EXTRA_OPTIONS="SPIFLASH,SECURE_BOOT"
+CONFIG_SYS_EXTRA_OPTIONS="SPIFLASH"
+CONFIG_SECURE_BOOT=y
 CONFIG_BOOTDELAY=-1
 CONFIG_SYS_CONSOLE_IS_IN_ENV=y
 CONFIG_HUSH_PARSER=y
 
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
-CONFIG_SYS_EXTRA_OPTIONS="NAND_SECBOOT,SECURE_BOOT"
+CONFIG_SYS_EXTRA_OPTIONS="NAND_SECBOOT"
+CONFIG_SECURE_BOOT=y
 CONFIG_BOOTDELAY=10
 CONFIG_SYS_CONSOLE_IS_IN_ENV=y
 CONFIG_HUSH_PARSER=y
 
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
-CONFIG_SYS_EXTRA_OPTIONS="SECURE_BOOT"
+CONFIG_SECURE_BOOT=y
 CONFIG_BOOTDELAY=10
 CONFIG_SYS_CONSOLE_IS_IN_ENV=y
 CONFIG_HUSH_PARSER=y
 
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
-CONFIG_SYS_EXTRA_OPTIONS="SPIFLASH,SECURE_BOOT"
+CONFIG_SYS_EXTRA_OPTIONS="SPIFLASH"
+CONFIG_SECURE_BOOT=y
 CONFIG_BOOTDELAY=10
 CONFIG_SYS_CONSOLE_IS_IN_ENV=y
 CONFIG_HUSH_PARSER=y
 
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
-CONFIG_SYS_EXTRA_OPTIONS="NAND_SECBOOT,SECURE_BOOT"
+CONFIG_SYS_EXTRA_OPTIONS="NAND_SECBOOT"
+CONFIG_SECURE_BOOT=y
 CONFIG_BOOTDELAY=10
 CONFIG_SYS_CONSOLE_IS_IN_ENV=y
 CONFIG_HUSH_PARSER=y
 
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
-CONFIG_SYS_EXTRA_OPTIONS="SECURE_BOOT"
+CONFIG_SECURE_BOOT=y
 CONFIG_BOOTDELAY=10
 CONFIG_SYS_CONSOLE_IS_IN_ENV=y
 CONFIG_HUSH_PARSER=y
 
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
-CONFIG_SYS_EXTRA_OPTIONS="SPIFLASH,SECURE_BOOT"
+CONFIG_SYS_EXTRA_OPTIONS="SPIFLASH"
+CONFIG_SECURE_BOOT=y
 CONFIG_BOOTDELAY=10
 CONFIG_SYS_CONSOLE_IS_IN_ENV=y
 CONFIG_HUSH_PARSER=y
 
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
-CONFIG_SYS_EXTRA_OPTIONS="NAND_SECBOOT,SECURE_BOOT"
+CONFIG_SYS_EXTRA_OPTIONS="NAND_SECBOOT"
+CONFIG_SECURE_BOOT=y
 CONFIG_BOOTDELAY=10
 CONFIG_SYS_CONSOLE_IS_IN_ENV=y
 CONFIG_HUSH_PARSER=y
 
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
-CONFIG_SYS_EXTRA_OPTIONS="SECURE_BOOT"
+CONFIG_SECURE_BOOT=y
 CONFIG_BOOTDELAY=10
 CONFIG_SYS_CONSOLE_IS_IN_ENV=y
 CONFIG_HUSH_PARSER=y
 
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
-CONFIG_SYS_EXTRA_OPTIONS="SPIFLASH,SECURE_BOOT"
+CONFIG_SYS_EXTRA_OPTIONS="SPIFLASH"
+CONFIG_SECURE_BOOT=y
 CONFIG_BOOTDELAY=10
 CONFIG_SYS_CONSOLE_IS_IN_ENV=y
 CONFIG_HUSH_PARSER=y
 
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
-CONFIG_SYS_EXTRA_OPTIONS="NAND_SECBOOT,SECURE_BOOT"
+CONFIG_SYS_EXTRA_OPTIONS="NAND_SECBOOT"
+CONFIG_SECURE_BOOT=y
 CONFIG_BOOTDELAY=10
 CONFIG_SYS_CONSOLE_IS_IN_ENV=y
 CONFIG_HUSH_PARSER=y
 
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
-CONFIG_SYS_EXTRA_OPTIONS="SECURE_BOOT"
+CONFIG_SECURE_BOOT=y
 CONFIG_BOOTDELAY=10
 CONFIG_SYS_CONSOLE_IS_IN_ENV=y
 CONFIG_HUSH_PARSER=y
 
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
-CONFIG_SYS_EXTRA_OPTIONS="SPIFLASH,SECURE_BOOT"
+CONFIG_SYS_EXTRA_OPTIONS="SPIFLASH"
+CONFIG_SECURE_BOOT=y
 CONFIG_BOOTDELAY=10
 CONFIG_SYS_CONSOLE_IS_IN_ENV=y
 CONFIG_HUSH_PARSER=y
 
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
-CONFIG_SYS_EXTRA_OPTIONS="SECURE_BOOT"
+CONFIG_SECURE_BOOT=y
 CONFIG_BOOTDELAY=10
 CONFIG_HUSH_PARSER=y
 CONFIG_CMD_GREPENV=y
 
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
-CONFIG_SYS_EXTRA_OPTIONS="RAMBOOT_PBL,NAND,SECURE_BOOT,SYS_TEXT_BASE=0xFFF40000"
+CONFIG_SYS_EXTRA_OPTIONS="RAMBOOT_PBL,NAND,SYS_TEXT_BASE=0xFFF40000"
+CONFIG_SECURE_BOOT=y
 CONFIG_BOOTDELAY=10
 CONFIG_HUSH_PARSER=y
 CONFIG_CMD_GREPENV=y
 
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
-CONFIG_SYS_EXTRA_OPTIONS="SECURE_BOOT"
+CONFIG_SECURE_BOOT=y
 CONFIG_BOOTDELAY=10
 CONFIG_HUSH_PARSER=y
 CONFIG_CMD_GREPENV=y
 
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
-CONFIG_SYS_EXTRA_OPTIONS="SECURE_BOOT"
+CONFIG_SECURE_BOOT=y
 CONFIG_BOOTDELAY=10
 CONFIG_HUSH_PARSER=y
 CONFIG_CMD_GREPENV=y
 
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
-CONFIG_SYS_EXTRA_OPTIONS="RAMBOOT_PBL,NAND,SECURE_BOOT,SYS_TEXT_BASE=0xFFF40000"
+CONFIG_SYS_EXTRA_OPTIONS="RAMBOOT_PBL,NAND,SYS_TEXT_BASE=0xFFF40000"
+CONFIG_SECURE_BOOT=y
 CONFIG_BOOTDELAY=10
 CONFIG_HUSH_PARSER=y
 CONFIG_CMD_GREPENV=y
 
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
-CONFIG_SYS_EXTRA_OPTIONS="SECURE_BOOT"
+CONFIG_SECURE_BOOT=y
 CONFIG_BOOTDELAY=10
 CONFIG_HUSH_PARSER=y
 CONFIG_CMD_GREPENV=y
 
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
-CONFIG_SYS_EXTRA_OPTIONS="RAMBOOT_PBL,NAND,SECURE_BOOT,SYS_TEXT_BASE=0xFFF40000"
+CONFIG_SYS_EXTRA_OPTIONS="RAMBOOT_PBL,NAND,SYS_TEXT_BASE=0xFFF40000"
+CONFIG_SECURE_BOOT=y
 CONFIG_BOOTDELAY=10
 CONFIG_HUSH_PARSER=y
 CONFIG_CMD_GREPENV=y
 
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
-CONFIG_SYS_EXTRA_OPTIONS="SECURE_BOOT"
+CONFIG_SECURE_BOOT=y
 CONFIG_BOOTDELAY=10
 CONFIG_HUSH_PARSER=y
 CONFIG_CMD_GREPENV=y
 
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
-CONFIG_SYS_EXTRA_OPTIONS="T1023RDB,SECURE_BOOT"
+CONFIG_SYS_EXTRA_OPTIONS="T1023RDB"
+CONFIG_SECURE_BOOT=y
 CONFIG_BOOTDELAY=10
 CONFIG_SYS_CONSOLE_IS_IN_ENV=y
 CONFIG_HUSH_PARSER=y
 
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
-CONFIG_SYS_EXTRA_OPTIONS="SYS_FSL_DDR4,SECURE_BOOT"
+CONFIG_SYS_EXTRA_OPTIONS="SYS_FSL_DDR4"
+CONFIG_SECURE_BOOT=y
 CONFIG_BOOTDELAY=10
 CONFIG_SILENT_CONSOLE=y
 # CONFIG_CONSOLE_MUX is not set
 
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
-CONFIG_SYS_EXTRA_OPTIONS="SECURE_BOOT"
+CONFIG_SECURE_BOOT=y
 CONFIG_BOOTDELAY=10
 CONFIG_SILENT_CONSOLE=y
 # CONFIG_CONSOLE_MUX is not set
 
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
-CONFIG_SYS_EXTRA_OPTIONS="T1024RDB,SECURE_BOOT"
+CONFIG_SYS_EXTRA_OPTIONS="T1024RDB"
+CONFIG_SECURE_BOOT=y
 CONFIG_BOOTDELAY=10
 CONFIG_SILENT_CONSOLE=y
 CONFIG_SYS_CONSOLE_IS_IN_ENV=y
 
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
-CONFIG_SYS_EXTRA_OPTIONS="SYS_FSL_DDR4,SECURE_BOOT"
+CONFIG_SYS_EXTRA_OPTIONS="SYS_FSL_DDR4"
+CONFIG_SECURE_BOOT=y
 CONFIG_BOOTDELAY=10
 CONFIG_SILENT_CONSOLE=y
 CONFIG_SYS_CONSOLE_IS_IN_ENV=y
 
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
-CONFIG_SYS_EXTRA_OPTIONS="SECURE_BOOT"
+CONFIG_SECURE_BOOT=y
 CONFIG_BOOTDELAY=10
 CONFIG_SILENT_CONSOLE=y
 # CONFIG_CONSOLE_MUX is not set
 
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
-CONFIG_SYS_EXTRA_OPTIONS="SECURE_BOOT"
+CONFIG_SECURE_BOOT=y
 CONFIG_BOOTDELAY=10
 CONFIG_SILENT_CONSOLE=y
 CONFIG_SYS_CONSOLE_IS_IN_ENV=y
 
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
-CONFIG_SYS_EXTRA_OPTIONS="SYS_FSL_DDR4,SECURE_BOOT"
+CONFIG_SYS_EXTRA_OPTIONS="SYS_FSL_DDR4"
+CONFIG_SECURE_BOOT=y
 CONFIG_BOOTDELAY=10
 CONFIG_SILENT_CONSOLE=y
 # CONFIG_CONSOLE_MUX is not set
 
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
-CONFIG_SYS_EXTRA_OPTIONS="RAMBOOT_PBL,SPL_FSL_PBL,NAND,SECURE_BOOT"
+CONFIG_SYS_EXTRA_OPTIONS="RAMBOOT_PBL,SPL_FSL_PBL,NAND"
+CONFIG_SECURE_BOOT=y
 CONFIG_BOOTDELAY=0
 CONFIG_SILENT_CONSOLE=y
 # CONFIG_CONSOLE_MUX is not set
 
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
-CONFIG_SYS_EXTRA_OPTIONS="SECURE_BOOT"
+CONFIG_SECURE_BOOT=y
 CONFIG_BOOTDELAY=10
 CONFIG_SILENT_CONSOLE=y
 CONFIG_SYS_CONSOLE_IS_IN_ENV=y
 
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
-CONFIG_SYS_EXTRA_OPTIONS="SECURE_BOOT"
+CONFIG_SECURE_BOOT=y
 CONFIG_BOOTDELAY=10
 CONFIG_HUSH_PARSER=y
 CONFIG_CMD_GREPENV=y
 
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
-CONFIG_SYS_EXTRA_OPTIONS="SECURE_BOOT"
+CONFIG_SECURE_BOOT=y
 CONFIG_BOOTDELAY=10
 CONFIG_HUSH_PARSER=y
 CONFIG_CMD_MEMTEST=y
 
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
-CONFIG_SYS_EXTRA_OPTIONS="SECURE_BOOT"
+CONFIG_SECURE_BOOT=y
 CONFIG_BOOTDELAY=10
 CONFIG_HUSH_PARSER=y
 CONFIG_CMD_GREPENV=y
 
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
-CONFIG_SYS_EXTRA_OPTIONS="SECURE_BOOT"
+CONFIG_SECURE_BOOT=y
 CONFIG_BOOTDELAY=10
 CONFIG_HUSH_PARSER=y
 CONFIG_CMD_GREPENV=y