Merge remote-tracking branch 'spice/spice.v54' into staging

Merge remote-tracking branch 'spice/spice.v54' into staging

* spice/spice.v54:
  qxl: don't assert on guest create_guest_primary
  qxl: ioport_write: remove guest trigerrable abort
  qxl: qxl_add_memslot: remove guest trigerrable panics
  qxl: interface_notify_update: remove guest trigerrable abort
  qxl: cleanup s/__FUNCTION__/__func__/
  qxl: don't abort on guest trigerrable ring indices mismatch
  qxl: fix > 80 chars line
  qxl: replace panic with guest bug in qxl_track_command
  qxl: check for NULL return from qxl_phys2virt
  hw/qxl.c: qxl_phys2virt: replace panics with guest_bug
  spice_info: add mouse_mode
  spice: require spice-protocol >= 0.8.1