linaro-media-create bug fix for mx51evk

[Loïc Minier]

On Thu, Oct 14, 2010, Shawn Guo wrote:
> Quote from https://bugs.launchpad.net/linaro-image-tools/+bug/659720:
> Actually, we do not need to add anything before the first "fatload".
> We set the bootcmd in boot.scr, and boot.scr itself is in mmc boot
> partition. We have to get mmc ready before doing "fatload boot.scr" in
> u-boot. In another word, when u-boot runs at the command in boot.scr,
> the mmc must be already initialized.

 So it means we have to track which platforms use which MMC init
 command; how ugly   :-/  is there a way we could test for it?

 In fact, I don't understand the need for mmc rescan and mmc init at
 all; why can't this simply be done when mmc accesses are done?

-- 
Loïc Minier