[S] Change in coreboot[master]: soc/intel: Don't report _S1 state when unsupported

[Sean Rhodes (Code Review)]

Attention is currently required from: Jeff Daly, Tarun Tuli, Subrata Banik, Jonathan Zhang, Johnny Lin, Christian Walter, Kapil Porwal, Vanessa Eusebio, Arthur Heymans, Lean Sheng Tan, Werner Zeh, Tim Chu.

Sean Rhodes has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/74760 )

Change subject: soc/intel: Don't report _S1 state when unsupported
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Patch Set 1: Code-Review+1