[M] Change in coreboot[master]: common/acpi/dptc: Dynamic Thermal Table Switching Proposal

[Tim Van Patten (Code Review)]

Attention is currently required from: Jason Glenesk, EricKY Cheng, Matt DeVillier, Eric Peers, Fred Reitberger, Karthikeyan Ramasubramanian, Felix Held.

Tim Van Patten has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/68471 )

Change subject: common/acpi/dptc: Dynamic Thermal Table Switching Proposal
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Patch Set 12:

(2 comments)

File src/soc/amd/common/acpi/dptc.asl:

https://review.coreboot.org/c/coreboot/+/68471/comment/8177ae47_dc9af3f8 
PS10, Line 44:                 //over 50
> This implementation isn't quite correct. Imagine the following scenario: […]

After chatting with Raul, he pointed out that storing the previously applied table ID in a `Name`d object should work, rather than re-purposing the DPTF shared memory.

See:
https://review.coreboot.org/plugins/gitiles/coreboot/+/refs/heads/master/src...

https://review.coreboot.org/c/coreboot/+/68471/comment/f7ee1586_7277fd9b 
PS10, Line 45: 0x7B
> What's the conversion of `50` -> `0x7B` (123)?

Ah, 50C is 122F, so maybe this is off by 1?