[L] Change in coreboot[main]: mb/google/brox: Create jubilant variant

[David Wu (Code Review)]

Attention is currently required from: Karthik Ramasubramanian, Ren Kuo, Shelley Chen, Subrata Banik.

David Wu has posted comments on this change by Ren Kuo. ( https://review.coreboot.org/c/coreboot/+/83212?usp=email )

Change subject: mb/google/brox: Create jubilant variant
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Patch Set 1:

(1 comment)

Commit Message:

https://review.coreboot.org/c/coreboot/+/83212/comment/55e6c768_b63c4006?usp... :
PS1, Line 18: 
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