Display device, demo-ing the vfio dmabuf display interface
(VFIO_GFX_PLANE_TYPE_DMABUF).  Compatible enough to qemu stdvga
that bochs-drm.ko can be used as guest driver.
Signed-off-by: NGerd Hoffmann <kraxel@redhat.com>
Signed-off-by: NAlex Williamson <alex.williamson@redhat.com>