[coreboot-gerrit] [M] Change in coreboot[main]: mb/google/puff/var/*: Clean up SerialIO/I2C config in overridetree

[Felix Singer (Code Review)]

Attention is currently required from: Matt DeVillier.

Felix Singer has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/80164?usp=email )

Change subject: mb/google/puff/var/*: Clean up SerialIO/I2C config in overridetree
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Patch Set 2: Code-Review+2