Change in coreboot[master]: mb/google/cherry: Add PCIe domain support

[Rex-BC Chen (Code Review)]

Attention is currently required from: Hung-Te Lin, Shelley Chen, Paul Menzel, Angel Pons, Yu-Ping Wu, Jianjun Wang.
Rex-BC Chen has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/62360 )

Change subject: mb/google/cherry: Add PCIe domain support
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Patch Set 9:

(1 comment)

File src/mainboard/google/cherry/devicetree.cb:

PS8:
> Thanks for the suggestion, after user override config, PCIe driver can only works for dojo now.

Done