Merge tag 'vfio-v5.0-rc4' of git://github.com/awilliam/linux-vfio

Pull VFIO fixes from Alex Williamson:

 - cleanup licenses in new files (Thomas Gleixner)

 - cleanup new compiler warnings (Alexey Kardashevskiy)

* tag 'vfio-v5.0-rc4' of git://github.com/awilliam/linux-vfio:
  vfio-pci/nvlink2: Fix ancient gcc warnings
  vfio/pci: Cleanup license mess