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

[Arthur Heymans (Code Review)]

Attention is currently required from: Jincheng Li, Jérémy Compostella, Shuo Liu.

Arthur Heymans 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 1: Code-Review+2