Merge branches 'pci/host-designware', 'pci/host-imx6' and 'pci/host-rcar' into next

* pci/host-designware:
  PCI: designware: Fix RC BAR to be single 64-bit non-prefetchable memory BAR

* pci/host-imx6:
  PCI: imx6: Wait for retraining

* pci/host-rcar:
  PCI: rcar: Make the Kconfig dependencies more generic
  PCI: rcar: Break out window size handling
  PCI: rcar: Register each instance independently
  PCI: rcar: Fix bridge logic configuration accesses
  PCI: rcar: Add error interrupt handling
  PCI: rcar: Check platform_get_irq() return code