CONFIG_CMD_FAT=y
CONFIG_CMD_FS_GENERIC=y
CONFIG_ENV_IS_IN_MMC=y
+CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
CONFIG_DFU_MMC=y
CONFIG_DFU_SF=y
CONFIG_FSL_ESDHC=y
CONFIG_SPI_FLASH=y
CONFIG_SPI_FLASH_STMICRO=y
CONFIG_PHYLIB=y
+CONFIG_SPI=y
CONFIG_MXC_SPI=y
CONFIG_USB=y
CONFIG_USB_STORAGE=y