configs: omapl138_lcdk: dont disable fat write

CONFIG_FAT_WRITE is imply'ed when CONFIG_CMD_FAT
is selected (see CONFIG_TI_COMMON_CMD_OPTIONS).

Dont disable it in defconfig so the imply takes
effect and 'fatwrite' is available for users.

Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/omapl138_lcdk_defconfig b/configs/omapl138_lcdk_defconfig
index b5d14d2..c6f474a 100644
--- a/configs/omapl138_lcdk_defconfig
+++ b/configs/omapl138_lcdk_defconfig
@@ -31,5 +31,4 @@
 CONFIG_SPI_FLASH_STMICRO=y
 CONFIG_SPI_FLASH_WINBOND=y
 CONFIG_SYS_NS16550=y
-# CONFIG_FAT_WRITE is not set
 CONFIG_OF_LIBFDT=y