Merge branch 'pci/resource'

  - Clear only bridge windows (not BARs) while assigning bus resources
    (Logan Gunthorpe)

  - Improve resource assignment for deep hotplug hierarchies, e.g.,
    Thunderbolt (Nicholas Johnson)

* pci/resource:
  PCI: Allow adjust_bridge_window() to shrink resource if necessary
  PCI: Set resource size directly in adjust_bridge_window()
  PCI: Rename extend_bridge_window() to adjust_bridge_window()
  PCI: Rename extend_bridge_window() parameter
  PCI: Consider alignment of hot-added bridges when assigning resources
  PCI: Remove local variable usage in pci_bus_distribute_available_resources()
  PCI: Pass size + alignment to pci_bus_distribute_available_resources()
  PCI: Rename variables
  PCI: Remove unnecessary braces
  PCI: Don't disable bridge BARs when assigning bus resources