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

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

pc,virtio,pci: fixes, features,code removal

Fixes all over the place.
Ability to control ACPI OEM ID's.
Ability to control rom BAR size.
Removal of deprecated pc machine types.

Signed-off-by: Michael S. Tsirkin <[email protected]>
# gpg: Signature made Fri 05 Feb 2021 13:54:32 GMT
# gpg:                using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg:                issuer "[email protected]"
# gpg: Good signature from "Michael S. Tsirkin <[email protected]>" [full]
# gpg:                 aka "Michael S. Tsirkin <[email protected]>" [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/acpi: disallow updates for expected data files
  tests/acpi: update expected data files
  tests/acpi: add OEM ID and OEM TABLE ID test
  acpi: use constants as strncpy limit
  acpi: Permit OEM ID and OEM table ID fields to be changed
  tests/acpi: allow updates for expected data files
  vhost: Check for valid vdev in vhost_backend_handle_iotlb_msg
  hw/virtio/virtio-balloon: Remove the "class" property
  hw/i386: Remove the deprecated pc-1.x machine types
  vhost: Unbreak SMMU and virtio-iommu on dev-iotlb support
  virtio-pmem: add trace events
  virtio: Add corresponding memory_listener_unregister to unrealize
  virtio-mmio: fix guest kernel crash with SHM regions
  virtio: move 'use-disabled-flag' property to hw_compat_4_2
  pci: add romsize property
  pci: reject too large ROMs

Signed-off-by: Peter Maydell <[email protected]>