Merge branch 'remotes/lorenzo/pci/rcar'

Merge branch 'remotes/lorenzo/pci/rcar'

- Convert DT bindings to json-schema (Yoshihiro Shimoda)

- Document r8a77965 DT bindings (Yoshihiro Shimoda)

- Document r8a774e1 DT bindings (Lad Prabhakar)

* remotes/lorenzo/pci/rcar:
  dt-bindings: PCI: rcar-pci-host: Document r8a774e1 bindings
  dt-bindings: PCI: rcar-pci-host: Document r8a77965 bindings
  dt-bindings: PCI: rcar-pci-host: Convert bindings to json-schema
  PCI: rcar: Drop unused members from struct rcar_pcie_host