[S] Change in coreboot[master]: {drivers/intel/fsp2_0, soc/intel}: Rename `SAVE_MRC_AFTER_FSPS` config

[Johnny Lin (Code Review)]

Attention is currently required from: Andrey Petrov, Arthur Heymans, Christian Walter, Kapil Porwal, Lean Sheng Tan, Nico Huber, Nill Ge, Shuo Liu, Srinidhi N Kaushik, Subrata Banik, TangYiwei, Tim Chu.

Johnny Lin has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/77616?usp=email )

Change subject: {drivers/intel/fsp2_0, soc/intel}: Rename `SAVE_MRC_AFTER_FSPS` config
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Patch Set 1: Code-Review+2