ARM: imx6q_logic: Allow storing environment in FAT on eMMC

Some variations of the imx6q_logic board have eMMC instead of
NAND.  Rather than creating a separate defconfig, this patch
adds the ability to read/write to eMMC (mmc 0:1) when NAND
doesn't exist.

Signed-off-by: Adam Ford <aford173@gmail.com>
1 file changed