[coreboot-gerrit] Change in coreboot[master]: mb/google/wyvern: use SaGv_FixedHigh

[Angel Pons (Code Review)]

Attention is currently required from: Matt DeVillier, Tim Wawrzynczak.
Angel Pons has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/58230 )

Change subject: mb/google/wyvern: use SaGv_FixedHigh
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Patch Set 1: Code-Review+1

(1 comment)

File src/mainboard/google/hatch/variants/wyvern/overridetree.cb:

https://review.coreboot.org/c/coreboot/+/58230/comment/dcef17e8_a54e9fc8 
PS1, Line 23: # Enable System Agent fixed frequency
Why not explain the reasoning instead, as done in the commit message?