[coreboot-gerrit] Change in coreboot[master]: soc/amd: add and use fch_enable_hpet_decode

[Raul Rangel (Code Review)]

Attention is currently required from: Jason Glenesk, Felix Held.
Raul Rangel has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/50512 )

Change subject: soc/amd: add and use fch_enable_hpet_decode
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Patch Set 2:

(2 comments)

File src/soc/amd/common/block/acpimmio/mmio_util.c:

https://review.coreboot.org/c/coreboot/+/50512/comment/06570a67_ba00e35a 
PS2, Line 79: HPET_FED0_EN
I feel like we should enable hpet_msi_en and hpet_width_sel.

# pm-regs  0x00
PMx00 PmDecodeEn => 0xe3060bf7
 29 => 1: HpetMsiEn
 28 => 0: HpetWidthSel

We don't currently set 64-bit HPET on picasso.

File src/soc/amd/common/block/include/amdblocks/acpimmio.h:

https://review.coreboot.org/c/coreboot/+/50512/comment/9dee5b21_451464aa 
PS2, Line 20: FED0
FED0?