tree f5fee5557360724ecfe0485dc450348daf9dda70
parent bc177f17ede8d186b9ac0358b9e20cd7b8fb48e5
author Soeren Moch <smoch@web.de> 1454593276 +0100
committer Stefano Babic <sbabic@denx.de> 1456050718 +0100

board: tbs2910: Autoselect environment device when booting from SD

Implement board specific functions to select the environment device and
partition when booting from SD/MMC.

SD2:  mmc 0 0
SD3:  mmc 1 0
eMMC: mmc 2 1

Signed-off-by: Soeren Moch <smoch@web.de>