Merge branches 'pci/host-artpec' and 'pci/host-generic' into pci/demodularize-hosts

* pci/host-artpec:
  PCI: artpec: Add PCI_MSI_IRQ_DOMAIN dependency
  PCI: artpec: Add Axis ARTPEC-6 PCIe controller driver
  PCI: Add DT binding for Axis ARTPEC-6 PCIe controller

* pci/host-generic:
  PCI: generic: Select IRQ_DOMAIN