Change in coreboot[master]: arch/x86,cpu/x86: Introduce new method for accessing cpu_info

[Raul Rangel (Code Review)]

Attention is currently required from: Nico Huber, Furquan Shaikh, Paul Menzel, Julius Werner, Arthur Heymans, Felix Held.
Raul Rangel has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/57627 )

Change subject: arch/x86,cpu/x86: Introduce new method for accessing cpu_info
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Patch Set 6:

(3 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/57627/comment/8a5b92d4_645d9b50 
PS6, Line 19: This means that when smm_do_relocation is executed, it is running in SMM
> Ah, would be nice to have that in the commit message. To me it made the […]

COOP_MULTITASKING doesn't change SMM code. It's only compiled into romstage/ramstage right now. It's the fact that we run ramstage code in SMM that causes the problem.

Patchset:

PS6:
> I agree that it should be avoided to have multiple implementations for that same functionality, but  […]

I'll send a follow up to always use CPU_INFO_V2 for PARALLEL_MP.

PS6: 
I'm going to merge this since it's been silent for a while now with no objections.