Change in coreboot[master]: soc/intel/denverton_ns: Add early SPI flash init

[Angel Pons (Code Review)]

Attention is currently required from: Mariusz Szafrański, King Sumo.
Angel Pons has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/57033 )

Change subject: soc/intel/denverton_ns: Add early SPI flash init
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Patch Set 4:

(1 comment)

Patchset:

PS4: 
Alternatively, I'd suggest repushing this change with a different Change-Id.