[coreboot] [PATCH] use coreboot.rom for CBFS images, but default to smaller size

[Myles Watson]

> I intend to kill the non-CBFS infrastructure some weeks after everything is
> officially moved over.
I'm not sure how much this buys us.  Since we know this is the way we
want to go, keeping the non-CBFS stuff around just confuses the issue.
 I think the fewer commits to kill it, the better.

> So the timeline would be:
>
> - this patch + changes to CBFS boards to build correctly
> - patch to get all boards over to CBFS (test as many of them as possible: I
> can provide testing for 4 boards by three cpu/chipset vendors + qemu)
> - remove non-CBFS code
> - clean up what's possible

The same without "wait some weeks."

Things will break during this transition.  Let's make it short.

Thanks,
Myles