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

[Bob Moragues (Code Review)]

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

Bob Moragues 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 23:

(4 comments)

File src/mainboard/google/brox/Kconfig:

https://review.coreboot.org/c/coreboot/+/83212/comment/109054d9_01001ace?usp... :
PS17, Line 86: 
             : if BOARD_GOOGLE_BROX_COMMON
> put this at the end of line 85 (like lines 83)

OK.  Doing that causes problems.  Leaving as is....

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

https://review.coreboot.org/c/coreboot/+/83212/comment/27a3dc59_d77eaa44?usp... :
PS16, Line 11: 11 12
> Move this after ISH to be bits 14 15

Done

https://review.coreboot.org/c/coreboot/+/83212/comment/0572d4fc_c6a7cd19?usp... :
PS16, Line 15: 17 18
> This should probably match the FP field in config. […]

Done

https://review.coreboot.org/c/coreboot/+/83212/comment/a0e181f3_c70296cd?usp... :
PS16, Line 1: fw_config
            : 	field STORAGE 2 3
            : 		option STORAGE_UNKNOWN			0
            : 		option STORAGE_UFS			1
            : 		option STORAGE_NVME			2
            : 	end
            : 	field WIFI_BT 4 4
            : 		option WIFI_BT_CNVI			0
            : 		option WIFI_BT_PCIE			1
            : 	end
            : 	field DB_USB 11 12
            : 		option DB_1A				0
            : 		option DB_1A_LTE			1
            : 	end
            : 	field FPMCU 17 18
            : 		option FPMCU_ABSENT			0
            : 		option FPMCU_NUVOTON			1
            : 	end
            : end
> This is what I came up with: […]

Done