Change in coreboot[master]: [WIP] device/pci_ops: Store pci_devfn_t in devicetree

[Aaron Durbin (Code Review)]

Aaron Durbin has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/31757 )

Change subject: [WIP] device/pci_ops: Store pci_devfn_t in devicetree
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Patch Set 5:
> Patch Set 5:
>
> This is very much incomplete.
>
> But idea is, that as PCI bus gets enumerated, each secondary side PCI device path.pci.devfn is updated with the bus number. Changing path.pci structure may be painful, so much of that is open-coded.

$ git grep 'pci[.]devfn'

Oh man. That's quiet a bit of slop in there to clean up. I could give it a pass if you want. We likely need it so that there's only a few touch points to adjust when we need to make changes. Let me know what you guys think.