[M] Change in coreboot[main]: intel/alderlake: Add helper functions for Power Management

[Sean Rhodes (Code Review)]

Attention is currently required from: Dinesh Gehlot, Eric Lai, Kapil Porwal, Lean Sheng Tan, Matt DeVillier, Nick Vaccaro, Nico Huber, Subrata Banik.

Sean Rhodes has posted comments on this change by Sean Rhodes. ( https://review.coreboot.org/c/coreboot/+/81638?usp=email )

Change subject: intel/alderlake: Add helper functions for Power Management
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Patch Set 9:

(1 comment)

File src/soc/intel/alderlake/chip.h:

https://review.coreboot.org/c/coreboot/+/81638/comment/c5bcd779_949c03c2?usp... :
PS4, Line 799: };
> > > The current ADL code shows that we can do better and hardcoded a default in […]

Doh, it look me ages to see why - CPU ports have a different default which was what broke things for me. Makes the approach of having a default in coreboot a very good idea!