Remove PciFunc
It doesn't really help simplify things anymore once pci_types is used for parsing capabilities., but it does add a requirement to do conversions between PciFunc + cap_offset and PciCapabilityAddress and ConfigRegionAccess.
It doesn't really help simplify things anymore once pci_types is used for parsing capabilities., but it does add a requirement to do conversions between PciFunc + cap_offset and PciCapabilityAddress and ConfigRegionAccess.