As the u-boot-spl.lds is moved to <arch/arm/mach-at91> directory.
So, correct the path for sama5d4 related boards.
Signed-off-by: Bo Shen <voice.shen@atmel.com>
 #define CONFIG_SYS_MONITOR_LEN         (512 << 10)
 
 #ifdef CONFIG_SYS_USE_MMC
-#define CONFIG_SPL_LDSCRIPT            arch/arm/cpu/at91-common/u-boot-spl.lds
+#define CONFIG_SPL_LDSCRIPT            arch/arm/mach-at91/u-boot-spl.lds
 #define CONFIG_SPL_MMC_SUPPORT
 #define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS     0x400
 #define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x200
 
 #define CONFIG_SYS_MONITOR_LEN         (512 << 10)
 
 #ifdef CONFIG_SYS_USE_MMC
-#define CONFIG_SPL_LDSCRIPT            arch/arm/cpu/at91-common/u-boot-spl.lds
+#define CONFIG_SPL_LDSCRIPT            arch/arm/mach-at91/u-boot-spl.lds
 #define CONFIG_SPL_MMC_SUPPORT
 #define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS     0x400
 #define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x200