Merge branch 'pci/virtualization'

- Avoid FLR for AMD FCH AHCI adapters to avoid a hardware defect (Damien Le
  Moal)

- Add ACS quirk for Wangxun NICs that don't allow peer-to-peer between
  functions, but don't advertise an ACS Capability (Mengyuan Lou)

* pci/virtualization:
  PCI: Add ACS quirk for Wangxun NICs
  PCI: Avoid FLR for AMD FCH AHCI adapters