defconfigs: engicam: Enable MMC commands in nand

For writing Linux or rootfs on to NAND, the best suitable way
is to use MMC commands since MMC driver by default enabled by
mx6_common.h, hence enabled MMC commands in nand defconfigs.

Cc: Stefano Babic <sbabic@denx.de>
Cc: Matteo Lisi <matteo.lisi@engicam.com>
Cc: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: NJagan Teki <jagan@amarulasolutions.com>

configs/imx6dl_icore_nand_defconfig

@@ -17,12 +17,17 @@ CONFIG_HUSH_PARSER=y
 CONFIG_SYS_PROMPT="icorem6qdl> "
 # CONFIG_CMD_IMLS is not set
 CONFIG_CMD_MEMTEST=y
+CONFIG_CMD_MMC=y
 CONFIG_CMD_NAND=y
 CONFIG_CMD_I2C=y
 CONFIG_CMD_GPIO=y
 CONFIG_CMD_MII=y
 CONFIG_CMD_PING=y
 CONFIG_CMD_CACHE=y
+CONFIG_CMD_EXT4=y
+CONFIG_CMD_EXT4_WRITE=y
+CONFIG_CMD_FAT=y
+CONFIG_CMD_FS_GENERIC=y
 # CONFIG_BLK is not set
 CONFIG_SYS_I2C_MXC=y
 # CONFIG_DM_MMC_OPS is not set

configs/imx6q_icore_nand_defconfig

@@ -17,12 +17,17 @@ CONFIG_HUSH_PARSER=y
 CONFIG_SYS_PROMPT="icorem6qdl> "
 # CONFIG_CMD_IMLS is not set
 CONFIG_CMD_MEMTEST=y
+CONFIG_CMD_MMC=y
 CONFIG_CMD_NAND=y
 CONFIG_CMD_I2C=y
 CONFIG_CMD_GPIO=y
 CONFIG_CMD_MII=y
 CONFIG_CMD_PING=y
 CONFIG_CMD_CACHE=y
+CONFIG_CMD_EXT4=y
+CONFIG_CMD_EXT4_WRITE=y
+CONFIG_CMD_FAT=y
+CONFIG_CMD_FS_GENERIC=y
 # CONFIG_BLK is not set
 CONFIG_SYS_I2C_MXC=y
 # CONFIG_DM_MMC_OPS is not set

configs/imx6ul_geam_nand_defconfig

@@ -16,11 +16,16 @@ CONFIG_HUSH_PARSER=y
 CONFIG_SYS_PROMPT="geam6ul> "
 # CONFIG_CMD_IMLS is not set
 CONFIG_CMD_MEMTEST=y
+CONFIG_CMD_MMC=y
 CONFIG_CMD_NAND=y
 CONFIG_CMD_GPIO=y
 CONFIG_CMD_MII=y
 CONFIG_CMD_PING=y
 CONFIG_CMD_CACHE=y
+CONFIG_CMD_EXT4=y
+CONFIG_CMD_EXT4_WRITE=y
+CONFIG_CMD_FAT=y
+CONFIG_CMD_FS_GENERIC=y
 # CONFIG_BLK is not set
 # CONFIG_DM_MMC_OPS is not set
 CONFIG_NAND_MXS=y