[coreboot-gerrit] Change in coreboot[master]: soc/amd/common/fsp/pci: Add helper methods for PCI IRQ table

[Raul Rangel (Code Review)]

Attention is currently required from: Jason Glenesk, Marshall Dawson, Karthik Ramasubramanian, Felix Held.
Raul Rangel has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/52911 )

Change subject: soc/amd/common/fsp/pci: Add helper methods for PCI IRQ table
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Patch Set 2:

(2 comments)

File src/soc/amd/common/fsp/pci/Makefile.inc:

https://review.coreboot.org/c/coreboot/+/52911/comment/0dc5d718_eed266aa 
PS1, Line 3: ramstage-y
> ramstage-$(CONFIG_SOC_AMD_COMMON_FSP_PCI) += pci_routing_info. […]

I have it in line 1. I did it this way since this whole folder should be guarded by the config.

File src/soc/amd/common/fsp/pci/pci_routing_info.c:

https://review.coreboot.org/c/coreboot/+/52911/comment/1179ed60_5f7cedd8 
PS1, Line 29: routing_table
> i'd also strongly recommend that, since the search for the hob is rather expensive in terms of time

Done