[S] Change in coreboot[main]: soc/intel: Add config to use S3 over S0ix

[Arthur Heymans (Code Review)]

Attention is currently required from: Dinesh Gehlot, Eran Mitrani, Kapil Porwal, Nick Vaccaro, Tarun, Tim Crawford.

Arthur Heymans has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/79631?usp=email )

Change subject: soc/intel: Add config to use S3 over S0ix
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Patch Set 2:

(1 comment)

Commit Message:

https://review.coreboot.org/c/coreboot/+/79631/comment/8d01d5cc_194cddd3 :
PS2, Line 11: indicating to the OS that S3
            : suspend is the preferred sleep method.
Is this accurate? I think the bit indicates the S0ix capability. If you don't set it the OS cannot suspend that way. If so this would just disable s0ix?