UPSTREAM: drm/virtio: use virtio_gpu_object->hw_res_handle in virtio_gpufb_create()

Drop pointless resid variable in virtio_gpufb_create(), just use
the hw_res_handle field in virtio_gpu_object directly.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20181019061847.18958-3-kraxel@redhat.com


(cherry picked from commit ae0dc3cc38b1afdb481e460cd0dd58e200df5426)
Signed-off-by: Greg Hartman <ghartman@google.com>
BUG: 139386237
Change-Id: I3b9724f993a5407befd74534ec627703d49a91d5