[M] Change in coreboot[main]: soc/intel/soc: Remove save state handler code

[Nico Huber (Code Review)]

Attention is currently required from: Arthur Heymans, Christian Walter, Dinesh Gehlot, Eran Mitrani, Jakub Czapiga, Johnny Lin, Jonathan Zhang, Kapil Porwal, Lean Sheng Tan, Nick Vaccaro, Patrick Rudolph, Sean Rhodes, Shuo Liu, Subrata Banik, Tarun, Tim Chu, Werner Zeh.

Nico Huber has posted comments on this change by Arthur Heymans. ( https://review.coreboot.org/c/coreboot/+/83068?usp=email )

Change subject: soc/intel/soc: Remove save state handler code
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Patch Set 9: Code-Review+2