Change in coreboot[master]: mb/google/brya/var/vell: update memory settings

[Tim Wawrzynczak (Code Review)]

Attention is currently required from: Kevin Chiu, YH Lin, Nick Vaccaro, Shon Wang.
Tim Wawrzynczak has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/59334 )

Change subject: mb/google/brya/var/vell: update memory settings
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Patch Set 6: Code-Review+1

(3 comments)

File src/mainboard/google/brya/variants/vell/memory.c:

https://review.coreboot.org/c/coreboot/+/59334/comment/cf0dd925_43c77328 
PS5, Line 7: __weak
> remove if you want to override

Done

https://review.coreboot.org/c/coreboot/+/59334/comment/424c24e8_986c7548 
PS5, Line 26: __weak
> remove if you want to override

Done

File src/mainboard/google/brya/variants/vell/memory.c:

https://review.coreboot.org/c/coreboot/+/59334/comment/0afb550a_087ced9c 
PS6, Line 16: 40, 30, 30, 30, 30
I believe Intel's recommended values for LP5 are
`40, 36, 35, 35, 35`