Merge branch 'pci/scoped-cleanup'

- Use for_each_available_child_of_node_scoped() to simplify apple, kirin,
  mediatek, mt7621, tegra drivers (Zhang Zekun)

* pci/scoped-cleanup:
  PCI: tegra: Use helper function for_each_child_of_node_scoped()
  PCI: apple: Use helper function for_each_child_of_node_scoped()
  PCI: mt7621: Use helper function for_each_available_child_of_node_scoped()
  PCI: mediatek: Use helper function for_each_available_child_of_node_scoped()
  PCI: kirin: Tidy up _probe() related function with dev_err_probe()
  PCI: kirin: Use helper function for_each_available_child_of_node_scoped()