Merge remote-tracking branch 'remotes/dgilbert/tags/pull-virtiofs-20191213a' into...

Merge remote-tracking branch 'remotes/dgilbert/tags/pull-virtiofs-20191213a' into staging

virtiofs pull 2019-12-13: Minor fixes and cleanups

Cleanup from Marc-André and MSI-X fix from Stefan.

# gpg: Signature made Fri 13 Dec 2019 11:53:49 GMT
# gpg:                using RSA key 45F5C71B4A0CB7FB977A9FA90516331EBC5BFDE7
# gpg: Good signature from "Dr. David Alan Gilbert (RH2) <dgilbert@redhat.com>" [full]
# Primary key fingerprint: 45F5 C71B 4A0C B7FB 977A  9FA9 0516 331E BC5B FDE7

* remotes/dgilbert/tags/pull-virtiofs-20191213a:
  virtio-fs: fix MSI-X nvectors calculation
  vhost-user-fs: remove "vhostfd" property

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>