Change in coreboot[master]: src/soc/intel/cmn/fast-spi: Add SSDT extension to fast SPI driver

[Werner Zeh (Code Review)]

Attention is currently required from: Nico Huber, Subrata Banik, Angel Pons, Arthur Heymans.
Werner Zeh has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/64076 )

Change subject: src/soc/intel/cmn/fast-spi: Add SSDT extension to fast SPI driver
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Patch Set 2:

(1 comment)

File src/soc/intel/common/block/fast_spi/fast_spi.c:

https://review.coreboot.org/c/coreboot/+/64076/comment/2dbcbe83_944119f4 
PS2, Line 486: !CONFIG(SOC_INTEL_APOLLOLAKE)
> IMO, the best option is 4. don't have common `device_operations`. It always […]

Is it really in scope here? Going away from the common driver approach to a soc specific one while duplicating the code all the way down for every soc? I know that in this case it is mostly Apollo Lake that is badly designed here. Though we have a few ways to go to handle it in the common code.