[U-Boot] [BUG]Ｒｏckchip armv7 SoCs can not boot on latest U-Boot

[Kever Yang]

I don't know which patch break Rockchip armv7 SoC on latest source code.
The SPL works fine, but it hang at some unknown place in U-Boot, I can't 
get
any log event I enable the DEBUG option.

I test with below commit
4125bbc Merge branch 'master' of git://git.denx.de/u-boot-mmc

armv8 work fine, but armv7 not works, I test with rk3288 and another WIP 
SoC,
both of them hangs without any log message.

Any one have any clue?

Thanks,
- Kever