Change in coreboot[master]: mb/google/brya/var/primus{4es}: modify GPP_B3 as unlocked

[Casper Chang (Code Review)]

Attention is currently required from: Terry Chen, Malik Hsu, Paul Menzel, Tim Wawrzynczak.
Casper Chang has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/62465 )

Change subject: mb/google/brya/var/primus{4es}: modify GPP_B3 as unlocked
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Patch Set 6:

(1 comment)

Commit Message:

https://review.coreboot.org/c/coreboot/+/62465/comment/db3878cf_1fa4a91e 
PS4, Line 9: With GPP_B3 locked, primus eMMC SKU encounter eMMC storage
           : lost after warm reboot.
           : Config GPP_B3 unlocked to make reboot works on primus.
> Please reflow for 72 characters per line, and either add exactly one blank line between paragraphs,  […]

Done