[coreboot] How to convert a v2 board to CBFS?

[Myles Watson]

> I'm surprised at no serial out. It makes me think the initial assembly
> startup is quite wrong. The cbfs doesn't get involved until long after
> ram is up and working.
> 
> double check the jmp at fffffff0.

Since the image I built worked on qemu, I think the jumps should be there
and correct.  Uwe, have you tried running the image you built on qemu?  I
know it fails soon, but at least there's serial output.

Thanks,
Myles