Merge branch 'pci/controller/mediatek'

- Add support for DT 'max-link-speed' and 'num-lanes' properties to
  restrict the link speed and width (AngeloGioacchino Del Regno)

* pci/controller/mediatek:
  PCI: mediatek-gen3: Remove unneeded semicolon
  PCI: mediatek-gen3: Add support for restricting link width
  PCI: mediatek-gen3: Add support for setting max-link-speed limit