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 13:

(1 comment)

Commit Message:

https://review.coreboot.org/c/coreboot/+/60341/comment/3e42d086_7548d322 
PS11, Line 14: TEST=Test on takeo trace in FSP log can found setting correct
> We verified that PCIE Port 9 is enabled in fsp log.

To complement, we use root port 9 for emmc and cpu pcie rp 1 for ssd. We can see the correct root ports are enabled in FSP log depending on the current cbi.