Change in coreboot[master]: soc/amd/cezanne/early_fch: Perform early SPI initialization

[Martin Roth (Code Review)]

Attention is currently required from: Jason Glenesk, Raul Rangel, Marshall Dawson, Paul Menzel, Karthik Ramasubramanian.
Martin Roth has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/56684 )

Change subject: soc/amd/cezanne/early_fch: Perform early SPI initialization
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Patch Set 4:

(1 comment)

Commit Message:

https://review.coreboot.org/c/coreboot/+/56684/comment/49684d61_64bfb448 
PS1, Line 13: TEST=Build and boot to OS in Guybrush.
> Does this add time to the boot?

Not appreciably, no.  Any code that's added obviously adds a little.  This add significantly less time than a single printf.