[coreboot-gerrit] [XS] Change in coreboot[main]: arch/x86/include/arch: Add feature check macros

[Shuo Liu (Code Review)]

Attention is currently required from: Arthur Heymans, Jincheng Li, Jérémy Compostella, Patrick Rudolph.

Shuo Liu has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/81133?usp=email )

Change subject: arch/x86/include/arch: Add feature check macros
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Patch Set 3:

(1 comment)

File src/arch/x86/include/arch/cpu.h:

https://review.coreboot.org/c/coreboot/+/81133/comment/e3aa654b_189c9862 :
PS1, Line 51: CPUID_FEATURE_MCE
> It's unused. […]

This is referenced in GNR codes, but not critical. We can leave this to later.