[coreboot-gerrit] Change in coreboot[master]: mb/google/volteer: modify and add some devicetree settings

[Nick Vaccaro (Code Review)]

Nick Vaccaro has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/39338 )

Change subject: mb/google/volteer: modify and add some devicetree settings
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Patch Set 3: Code-Review-2

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