[M] Change in coreboot[master]: ACPI: Make FADT entries for RTC/CMOS architectural

[Kyösti Mälkki (Code Review)]

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

Kyösti Mälkki has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/74601 )

Change subject: ACPI: Make FADT entries for RTC/CMOS architectural
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Patch Set 2:

(2 comments)

File src/arch/x86/acpi.c:

https://review.coreboot.org/c/coreboot/+/74601/comment/643267b0_6ec2e277 
PS1, Line 32: #define RTC_CENTURY 		0x48
> <drivers/pc80/mcXXX. […]

Done

File src/southbridge/amd/pi/hudson/fadt.c:

https://review.coreboot.org/c/coreboot/+/74601/comment/273f2765_9fb16f5f 
PS1, Line 43: 	fadt->mon_alrm = 0;	/* 0x7e added to cmos.layout */
> need to check

Comments about 0x7d and 0x7e were wrong.
52740 Rev 3.06 - March 18, 2016
BKDG for AMD Family 16h Models 30h-3Fh Processors

IO073_x0D RTC Date Alarm

The name reference is for 0x72/0x73 access, but index 0x0d works through 0x70/0x71 too.