arm/km: enable jffs2 cmds

Signed-off-by: Holger Brunck <holger.brunck@keymile.com>
Signed-off-by: Valentin Longchamp <valentin.longchamp@keymile.com>
cc: Prafulla Wadaskar <prafulla@marvell.com>

include/configs/km/km_arm.h

@@ -260,7 +260,6 @@ int get_scl(void);
 #if defined(CONFIG_SYS_NO_FLASH)
 #define CONFIG_KM_UBI_PARTITION_NAME   "ubi0"
 #undef	CONFIG_FLASH_CFI_MTD
-#undef	CONFIG_CMD_JFFS2
 #undef	CONFIG_JFFS2_CMDLINE
 #endif