[coreboot-gerrit] [S] Change in coreboot[main]: mb/google/nissa: Create sundance variant

[Derek Huang (Code Review)]

Attention is currently required from: Dinesh Gehlot, Eric Lai, Kapil Porwal, Leo Chou, Nick Vaccaro, Shou-Chieh Hsu, Subrata Banik.

Derek Huang has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/81347?usp=email )

Change subject: mb/google/nissa: Create sundance variant
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Patch Set 7: Code-Review+2