[U-Boot] U-boot -printk kernel crash dump using md on PDK

[alfred steele]

> I think the first step would be to get MX31PDK into mainline U-boot. Are you willing to help on that?
Of course, as long as i have it up and running and tested on my
hardware. But in order to do that, i would need your help in answering
my earlier question.

Thanks for your help!

-Alfred.