FROMGIT: drm/virtio: implement blob resources: add new fields to internal structs

Useful for upcoming blob resources.

Signed-off-by: Gurchetan Singh <gurchetansingh@chromium.org>
Acked-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20200924003214.662-11-gurchetansingh@chromium.org


Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit 5c824604e5601a7150e434931243ee9e820fb473
 git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git

 master)

BUG=b:171715474
TEST=compile

Change-Id: I663fd181f0128de0da79128509a3679767e5521e
Signed-off-by: Guenter Roeck <groeck@chromium.org>
(cherry picked from commit f26a48b1e28b30d88ff8e7626f58b3bbe26d8904)