[coreboot] V3 simpler resource allocator

[Myles Watson]

> This was a huge job and I think it is a huge improvement. I have
> tested on dbe62 and it works. I will test on kontron. I'd like to see
> confirmation on qemu. If we get that I am ready to ack.

Do you want a boot log, an image, both?

Thanks,
Myles