[coreboot] sb800 code derived from sb700 implementation

[Peter Stuge]

She, Kerry wrote:
> I have made a little bit cleanup from the patches originally made
> by Bao Zheng,
> 
> This sb800 code is derived from sb700 implementation.
> 
> Release this patch is NOT to confusing people, but make other
> patches based on this implementation also works.
> 
> So this patch don’t need to be checked into the tree. 

Thanks! I think this is a nice addition. Maybe we should add a
Kconfig option to choose between cimx and non-cimx?


//Peter