Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

virtio, acpi: fixes, cleanups

A bunch of minor fixes all over the place.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Sun 16 Jun 2019 21:46:31 BST
# gpg:                using RSA key 281F0DB8D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full]
# gpg:                 aka "Michael S. Tsirkin <mst@redhat.com>" [full]
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17  0970 C350 3912 AFBE 8E67
#      Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA  8A0D 281F 0DB8 D28D 5469

* remotes/mst/tags/for_upstream:
  tests/rebuild-expected-aml.sh: blow out difflist
  q35: update DSDT
  q35: fix mmconfig and PCI0._CRS
  hw/acpi: extract acpi_add_rom_blob()
  vhost: fix vhost_log size overflow during migration
  docs/vhost-user.json: some firmware.json copy leftovers
  vhost-user-gpu: initialize msghdr & iov at declaration
  vhost-user-input: check ioctl(EVIOCGNAME) return value
  vhost-user: improve error report
  vhost-user: check unix_listen() return value
  vhost-user-gpu: do not send scanout update if no GPU socket

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