hw/i386: add pc-i440fx-3.1 & pc-q35-3.1

We have a couple of PC_COMPAT_3_0, so we should have 3.1 PC machines,
and update the 3.0 machines to make use of those.

Fixes a "Known issue" from https://wiki.qemu.org/Planning/3.1.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20181120132604.22854-1-marcandre.lureau@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2 files changed