Merge branch 'pci/kevin-bus-to-resource' into next

* pci/kevin-bus-to-resource:
  PCI: Unset resource if initial BAR value is invalid
  PCI: Consolidate calls to pcibios_bus_to_resource() in __pci_read_base()
  PCI: Add 0x prefix to BAR register position in __pci_read_base()