[L] Change in coreboot[main]: Introduce a coreboot Control Block (CCB)

[Simon Glass (Code Review)]

Attention is currently required from: Arthur Heymans, Felix Held, Julius Werner, Jérémy Compostella, Karthik Ramasubramanian, Paul Menzel, Simon Glass.

Simon Glass has posted comments on this change by Simon Glass. ( https://review.coreboot.org/c/coreboot/+/77712?usp=email )

Change subject: Introduce a coreboot Control Block (CCB)
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Patch Set 10:

(1 comment)

Patchset:

PS10:
> and yes, i do see value in having the ccb as an optional mechanism; my concerns are about how the da […]

Yes it can be done with FMAP but it does create a lot of new code. I will see what can be done to reduce it. Putting it in the bootblock is easiest to implement, a CBFS file next easiest and its own section somewhat more painful.