[U-Boot] Loading kernel from SD card slow on MinnowBoard Turbot since v2016.09

[Raschen Josef]

Hi,

> From my tests it should be somewhere between these two commits:
> 1c62d999528da1f052cb4b07cbb540b148c52537    OK
> ceec08f50b66df0c988033842ec057a32658cfe0    NOK

I did some more tests and it looks like commit 14bed52d276afd36b9674ee7aa2c2ad9d2f4e59e introduced the issue. From the code I would guess that the max clock of the mmc controller is not set up correctly for the x86/BayTrail platform (minnowmax_defconfig in my case).

Thanks,
Josef