Change in coreboot[master]: mb/google/brya/var/taeko: Run-time probe for NVMe SSD and MMC

[Joey Peng (Code Review)]

Attention is currently required from: Kevin Chang, Paul Menzel, Tim Wawrzynczak, YH Lin.
Joey Peng has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/60341 )

Change subject: mb/google/brya/var/taeko: Run-time probe for NVMe SSD and MMC
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Patch Set 12:

(3 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/60341/comment/c7cd6e35_91984f3b 
PS11, Line 7: Add judgement for PCIE signal switch
> Maybe (if correct): […]

Done

https://review.coreboot.org/c/coreboot/+/60341/comment/5a3c1b24_d9ec9db2 
PS11, Line 12:
> Please elaborate. […]

Yes, it only affects SSD and EMMC. Added in commit message.

https://review.coreboot.org/c/coreboot/+/60341/comment/494fb865_77103d91 
PS11, Line 14: TEST=Test on takeo trace in FSP log can found setting correct
> What does the trace say?

Updated in commit message.