configs: icore: enable nand on mmc defconfig

Enable nand on mmc defconfig, so-that preparing nand
for writing/updating bootimage, Linux becomes easy.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>

configs/imx6qdl_icore_mmc_defconfig

@@ -34,9 +34,14 @@ CONFIG_CMD_EXT4=y
 CONFIG_CMD_EXT4_WRITE=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
+CONFIG_MTDIDS_DEFAULT="nand0=gpmi-nand"
+CONFIG_MTDPARTS_DEFAULT="mtdparts=gpmi-nand:2m(spl),2m(uboot),1m(env),8m(kernel),1m(dtb),-(rootfs)"
+CONFIG_CMD_UBI=y
 CONFIG_OF_LIST="imx6q-icore imx6dl-icore"
 CONFIG_ENV_IS_IN_MMC=y
 CONFIG_SYS_I2C_MXC=y
+CONFIG_NAND=y
+CONFIG_NAND_MXS=y
 CONFIG_PHYLIB=y
 CONFIG_PHY_SMSC=y
 CONFIG_FEC_MXC=y