Do not instantiate an extra default VGA device if -device virtio-vga-gl
is provided.
Related to commit b36eb8860f8f4a9c6f131c3fd380116a3017e022 ("virtio-gpu:
add virtio-vga-gl")
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20210701062421.721414-1-marcandre.lureau@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>