[M] Change in coreboot[main]: [RFC] region: Introduce region_create() functions

[Nico Huber (Code Review)]

Attention is currently required from: Andrey Petrov, Julius Werner, Jérémy Compostella, Martin L Roth, Maximilian Brune, Ronak Kanabar.

Nico Huber has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/79905?usp=email )

Change subject: [RFC] region: Introduce region_create() functions
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Patch Set 6:

(1 comment)

File src/commonlib/include/commonlib/region.h:

https://review.coreboot.org/c/coreboot/+/79905/comment/ea8d5ef7_42ac85c3 :
PS1, Line 106: offset > SIZE_MAX || size > SIZE_MAX
> > Hmmm... well, okay, if you feel strongly about it I guess it doesn't really hurt. […]

Max, any more thoughts on this?

I'd like to finish this patch series. Didn't want to rush things, though,
in case you want to suggest another implementation for callers with
untrusted input.