Merge branch 'pci/hotplug'

- Use for_each_child_of_node_scoped() to simplify iteration over OF
  children (Krzysztof Kozlowski)

- Set LED_HW_PLUGGABLE for NPEM hotplug-capable ports so LED core doesn't
  complain when setting brightness fails because the endpoint is gone
  (Richard Cheng)

* pci/hotplug:
  PCI/NPEM: Set LED_HW_PLUGGABLE for hotplug-capable ports
  PCI: rpaphp: Simplify with scoped for each OF child loop
  PCI: pnv_php: Simplify with scoped for each OF child loop