[M] Change in coreboot[main]: drivers/intel/fsp2_0: Support FSP 2.4 64-bits

[Jérémy Compostella (Code Review)]

Attention is currently required from: Andrey Petrov, Arthur Heymans, Bora Guvendik, Christian Walter, Felix Held, Fred Reitberger, Jason Glenesk, Johnny Lin, Matt DeVillier, Patrick Rudolph, Paul Menzel, Ronak Kanabar, Shuo Liu, Subrata Banik, Tim Chu, Wonkyu Kim.

Jérémy Compostella has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/80277?usp=email )

Change subject: drivers/intel/fsp2_0: Support FSP 2.4 64-bits
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Patch Set 27:

(2 comments)

File src/drivers/intel/fsp2_0/Kconfig:

https://review.coreboot.org/c/coreboot/+/80277/comment/ba650815_0778ff9e :
PS2, Line 62: Starting with FSP specification 2.4 they can be 64-bits.
> Any feedback ? Does this still need clarification in your opinion ?

Done

File src/drivers/intel/fsp2_0/debug.c:

https://review.coreboot.org/c/coreboot/+/80277/comment/98540693_aef186ea :
PS2, Line 94: efi_return_status_t
> This is already include throught the `fsp/util.h`. […]

Done