[coreboot-gerrit] Change in coreboot[master]: mb/amd,google/mandolin,zork: Set EFS SPI platform config

[Matt Papageorge (Code Review)]

Matt Papageorge has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/43303 )

Change subject: mb/amd,google/mandolin,zork: Set EFS SPI platform config
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Patch Set 20:

Only difference with this patch is a re base and changing the Micron default (Trembyle uses Winbond)