ARM: at91: at91sam9rlek: add hush parser to defconfig

HUSH parser will handle the variable easier. That will be helpful for
write a complicated U-Boot commands or varaibles.

Signed-off-by: Josh Wu <josh.wu@atmel.com>
Acked-by: Bo Shen <voice.shen@atmel.com>

configs/at91sam9rlek_dataflash_defconfig

@@ -2,3 +2,4 @@ CONFIG_SYS_EXTRA_OPTIONS="AT91SAM9RL,SYS_USE_DATAFLASH"
 CONFIG_ARM=y
 CONFIG_ARCH_AT91=y
 CONFIG_TARGET_AT91SAM9RLEK=y
+CONFIG_HUSH_PARSER=y

configs/at91sam9rlek_mmc_defconfig

 CONFIG_SYS_EXTRA_OPTIONS="AT91SAM9RL,SYS_USE_MMC"
 CONFIG_ARM=y
 CONFIG_TARGET_AT91SAM9RLEK=y
+CONFIG_HUSH_PARSER=y

configs/at91sam9rlek_nandflash_defconfig

@@ -2,3 +2,4 @@ CONFIG_SYS_EXTRA_OPTIONS="AT91SAM9RL,SYS_USE_NANDFLASH"
 CONFIG_ARM=y
 CONFIG_ARCH_AT91=y
 CONFIG_TARGET_AT91SAM9RLEK=y
+CONFIG_HUSH_PARSER=y