tree c04d68d7fa5727bbff584dc9c396a0633eac23db
parent 62d8cce9f37c12ff92a47414484997a74d038440
author Peng Fan <peng.fan@nxp.com> 1453971086 +0800
committer Stefano Babic <sbabic@denx.de> 1454577229 +0100

imx: mx6: implement mmc_get_env_dev

Implement mmc_get_env_dev, devno can be got from smbr1 of SRC.
Introduce a weak function board_mmc_get_env_dev, different
boards can implement it according to different sdhc controllers
that used by the board.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>