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

Drop pointless res_id variable in virtio_gpu_resource_create_ioctl(),
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/20181019061847.18958-5-kraxel@redhat.com


(cherry picked from commit 70a0d6a37726a1a3d13a8b358fb362ea692778e1)
Signed-off-by: Greg Hartman <ghartman@google.com>
BUG: 139386237
Change-Id: Ie3ac3462acb28c780da97272466a6c3b2cc37b95