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

[Jianjun Wang (Code Review)]

Attention is currently required from: Hung-Te Lin, Shelley Chen, Paul Menzel, Yu-Ping Wu, Jianjun Wang.
Hello Hung-Te Lin, Shelley Chen, build bot (Jenkins), Paul Menzel, Angel Pons, Yu-Ping Wu,

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/62360

to look at the new patch set (#10).

Change subject: mb/google/cherry: Add PCIe domain support
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mb/google/cherry: Add PCIe domain support

Add override device tree for dojo and add PCIe domain support.

TEST=Build pass and boot up to kernel successfully via SSD on Dojo
board, here is the SSD information in boot log:
 == NVME IDENTIFY CONTROLLER DATA ==
    PCI VID   : 0x15b7
    PCI SSVID : 0x15b7
    SN        : 21517J440114
    MN        : WDC PC SN530 SDBPTPZ-256G-1006
    RAB       : 0x4
    AERL      : 0x7
    SQES      : 0x66
    CQES      : 0x44
    NN        : 0x1
Identified NVMe model WDC PC SN530 SDBPTPZ-256G-1006

BUG=b:178565024

Signed-off-by: Jianjun Wang 
Change-Id: Ifb02960504177fe488e6784b954c16b2c8d94972
---
M src/mainboard/google/cherry/Kconfig
A src/mainboard/google/cherry/variants/dojo/overridetree.cb
2 files changed, 11 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/60/62360/10