Merge branch 'pci/enumeration' into next

* pci/enumeration:
  PCI: Warn periodically while waiting for non-CRS ("device ready") status
  PCI: Wait up to 60 seconds for device to become ready after FLR
  PCI: Factor out pci_bus_wait_crs()
  PCI: Add pci_bus_crs_vendor_id() to detect CRS response data
  PCI: Always check for non-CRS response before timeout
  PCI: Avoid race while enabling upstream bridges
  PCI: Mark Broadcom HT2100 Root Port Extended Tags as broken