Merge branch 'pci/endpoint'

- Make struct pci_epc_event_ops and struct pci_epf_ops instances const
  (Lars-Peter Clausen)

* pci/endpoint:
  PCI: endpoint: pci-epf-test: Make struct pci_epf_ops const
  PCI: endpoint: pci-epf-vntb: Make struct pci_epf_ops const
  PCI: endpoint: pci-epf-ntb: Make struct pci_epf_ops const
  PCI: endpoint: pci-epf-mhi: Make structs pci_epf_ops and pci_epf_event_ops const
  PCI: endpoint: Make struct pci_epf_ops in pci_epf_driver const