icore: configs: Fix merge conflict issue

Fix for finding mmc devices on i.MX6Q icore boards
added in below comment
"icorem6: Fix to find MMC devices"
(sha1: a2b137b3)

which is reverted in during u-boot-imx merge
" Merge git://git.denx.de/u-boot-imx

"
(sha1: 6aee2ab6)

This patch, is recreated to fix merge conflict.

Cc: Stefano Babic <sbabic@denx.de>
Cc: Tom Rini <trini@konsulko.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>

configs/imx6qdl_icore_mmc_defconfig

@@ -36,7 +36,6 @@ CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_OF_LIST="imx6q-icore imx6dl-icore"
 CONFIG_ENV_IS_IN_MMC=y
-# CONFIG_BLK is not set
 CONFIG_SYS_I2C_MXC=y
 CONFIG_PHYLIB=y
 CONFIG_PHY_SMSC=y

configs/imx6qdl_icore_rqs_defconfig

@@ -33,7 +33,6 @@ CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_OF_LIST="imx6q-icore-rqs imx6dl-icore-rqs"
 CONFIG_ENV_IS_IN_MMC=y
-# CONFIG_BLK is not set
 CONFIG_SYS_I2C_MXC=y
 CONFIG_PHYLIB=y
 CONFIG_PHY_MICREL=y