[S] Change in coreboot[main]: arch/x86: Define macros for hard-coded HPET registers

[Shuo Liu (Code Review)]

Attention is currently required from: Arthur Heymans, Christian Walter, Johnny Lin, Jonathan Zhang, Jérémy Compostella, Lean Sheng Tan, Patrick Rudolph, Tim Chu, [e-mail].

Shuo Liu has posted comments on this change by [e-mail]. ( https://review.coreboot.org/c/coreboot/+/84252?usp=email )

Change subject: arch/x86: Define macros for hard-coded HPET registers
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Patch Set 1: Code-Review+2