Change in coreboot[master]: soc/amd/common/fsp/pci: Implement acpigen_write_pci_PRT

[Raul Rangel (Code Review)]

Attention is currently required from: Jason Glenesk, Marshall Dawson, Felix Held.
Hello build bot (Jenkins), Jason Glenesk, Marshall Dawson, Felix Held,

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

https://review.coreboot.org/c/coreboot/+/52917

to look at the new patch set (#2).

Change subject: soc/amd/common/fsp/pci: Implement acpigen_write_pci_PRT
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soc/amd/common/fsp/pci: Implement acpigen_write_pci_PRT

This will use the FSP PCI routing HOB to generate the PCI _PRT table.

This is loosely based off of picasso/pcie_gpp.c. We can eventually
migrate picasso over to this code.

BUG=b:184766519
TEST=Dump guybrush ACPI and verify it looks correct

Signed-off-by: Raul E Rangel 
Change-Id: I926430074acb969ceb11fdb60ab56dcf91ac4c76
---
M src/soc/amd/common/block/include/amdblocks/amd_pci_util.h
M src/soc/amd/common/fsp/pci/Makefile.inc
A src/soc/amd/common/fsp/pci/acpi_prt.c
3 files changed, 202 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/17/52917/2