[XS] Change in coreboot[main]: soc/amd/common/include/spi: add and use SPI_MISC_CNTRL define

[Felix Held (Code Review)]

Attention is currently required from: Fred Reitberger, Jason Glenesk, Martin Roth, Matt DeVillier.

Felix Held has posted comments on this change by Felix Held. ( https://review.coreboot.org/c/coreboot/+/83773?usp=email )

Change subject: soc/amd/common/include/spi: add and use SPI_MISC_CNTRL define
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Patch Set 1:

(2 comments)

File src/soc/amd/common/block/include/amdblocks/spi.h:

https://review.coreboot.org/c/coreboot/+/83773/comment/78261e66_488725a4?usp... :
PS1, Line 80: Re-purpose unused
> Maybe: "AMD has re-purposed this" […]

Done in CB:83775

https://review.coreboot.org/c/coreboot/+/83773/comment/3aafd1ef_e6a74094?usp... :
PS1, Line 80: /* Re-purpose unused SPI controller register bit for semaphore to synchronize
            :    SPI access between SMM and non-SMM software/OS driver. */
            : #define   SPI_SEMAPHORE_DRIVER_LOCKED	BIT(4)
> no real reason tbh. […]

Done