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

[Ren Kuo (Code Review)]

Attention is currently required from: Bob Moragues, David Wu, Karthik Ramasubramanian, Shelley Chen, Subrata Banik, Tyler Wang, YH Lin.

Ren Kuo 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 15:

(2 comments)

File src/mainboard/google/brox/variants/jubilant/gpio.c:

https://review.coreboot.org/c/coreboot/+/83212/comment/4c2abc26_fc979c63?usp... :
PS14, Line 1: * SPDX-License-Identifier: GPL-2.0-or-later */
> This line needs to start with /* (not just *)

fixed.

File src/mainboard/google/brox/variants/jubilant/overridetree.cb:

https://review.coreboot.org/c/coreboot/+/83212/comment/ba84de59_2a97f4a3?usp... :
PS14, Line 414: FP_MCU
> FPMCU and not FP_MCU. This is the reason for the current Jenkins failure.

fixed.