[M] Change in coreboot[main]: soc/intel/xeon_sp: Add acpigen_write_pci_root_port

[Shuo Liu (Code Review)]

Attention is currently required from: Arthur Heymans, Christian Walter, Jincheng Li, Johnny Lin, Jonathan Zhang, Lean Sheng Tan, Patrick Rudolph, Tim Chu.

Hello Arthur Heymans, Christian Walter, Jincheng Li, Johnny Lin, Jonathan Zhang, Lean Sheng Tan, Patrick Rudolph, Tim Chu, build bot (Jenkins),

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

https://review.coreboot.org/c/coreboot/+/82252?usp=email

to look at the new patch set (#7).

The following approvals got outdated and were removed:
Verified+1 by build bot (Jenkins)

Change subject: soc/intel/xeon_sp: Add acpigen_write_pci_root_port
......................................................................

soc/intel/xeon_sp: Add acpigen_write_pci_root_port

acpigen_write_pci_root_port writes SSDT device objects for PCIe
root port, _ADR and _BBN are provided. SSDT objects for direct
subordinate devices will also be created (if detected), _ADR and
_SUN are provided.

TEST=Build and boot on intel/archercity CRB

Change-Id: I434fea7880a463c2027abfa22ba2b3bb985815c0
Signed-off-by: Lu, Pen-ChunX 
Signed-off-by: Jincheng Li 
Signed-off-by: Shuo Liu 
---
M src/soc/intel/xeon_sp/acpi.c
M src/soc/intel/xeon_sp/include/soc/acpi.h
2 files changed, 55 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/52/82252/7