[S] Change in coreboot[main]: drivers/intel/fsp2_0: Support FSP-M execution from CBFS cache

[Shuo Liu (Code Review)]

Attention is currently required from: Andrey Petrov, Arthur Heymans, Bora Guvendik, Dinesh Gehlot, Eran Mitrani, Jakub Czapiga, Jérémy Compostella, Kapil Porwal, Paul Menzel, Ronak Kanabar, Subrata Banik, Tarun.

Shuo Liu has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/81212?usp=email )

Change subject: drivers/intel/fsp2_0: Support FSP-M execution from CBFS cache
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Patch Set 6:

(1 comment)

File src/drivers/intel/fsp2_0/Kconfig:

https://review.coreboot.org/c/coreboot/+/81212/comment/f02af2f7_3595634f :
PS6, Line 221: config FSP_M_EXECUTE_FROM_CBFS_CACHE
I realized that PRERAM_CBFS_CACHE is a must item in car now, if there is an Kconfig like USE_PRERAM_CBFS_CACHE and we depend this new Kconfig on USE_PRERAM_CBFS_CACHE, it would be more clear to users.