[L] Change in coreboot[main]: mb/dell/optiplex_9020: Implement late HWM initialization

[Máté Kukri (Code Review)]

Attention is currently required from: Varshit Pandya.

Máté Kukri has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/81529?usp=email )

Change subject: mb/dell/optiplex_9020: Implement late HWM initialization
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Patch Set 3:

(1 comment)

This change is ready for review.

Commit Message:

https://review.coreboot.org/c/coreboot/+/81529/comment/27a06f32_ada6a705 :
PS1, Line 10:
> This patch isn't yet enough and is WIP

This was now corrected and tested with prime 95 stress test on my OptiPlex 7020 SFF. The fans ramp up as expected.