[M] Change in coreboot[main]: soc/intel/cannonlake: Implement SoC sleep state array

[Felix Singer (Code Review)]

Attention is currently required from: Martin L Roth, Matt DeVillier, Nick Vaccaro, Subrata Banik.

Felix Singer has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/78522?usp=email )

Change subject: soc/intel/cannonlake: Implement SoC sleep state array
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Patch Set 2: Code-Review+2