[M] Change in coreboot[master]: ACPI: Obsolete FADT p_lvl2_lat and p_lvl3_lat fields

[Kyösti Mälkki (Code Review)]

Attention is currently required from: Lance Zhao, Jason Glenesk, Raul Rangel, Jonathan Zhang, Matt DeVillier, Johnny Lin, Tim Wawrzynczak, Christian Walter, Arthur Heymans, Fred Reitberger, Tim Chu.

Kyösti Mälkki has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/74430 )

Change subject: ACPI: Obsolete FADT p_lvl2_lat and p_lvl3_lat fields
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Patch Set 2:

(1 comment)

File src/soc/amd/stoneyridge/acpi.c:

https://review.coreboot.org/c/coreboot/+/74430/comment/1dc1c9cb_840510b6 
PS2, Line 78: 	fadt->duty_width = 3;	/* CLK_VAL bits 3:1 */
Felix, do you think this would require a CPU _PTC to work? After Processor() was dropped P_BLK/P_CNT address was lost?