video: Import partial enums from p_video_state.h in mesa

Base on mesa commit: a727ec83ba01776e9c6f61c912c4caac280e968e
('frontends/va: improve enc quality interface change')

Signed-off-by: Feng Jiang <jiangfeng@kylinos.cn>
Reviewed-by: Gert Wollny <gert.wollny@collabora.com>
Reviewed-by: Boyuan Zhang <Boyuan.Zhang@amd.com>
Part-of: <https://gitlab.freedesktop.org/virgl/virglrenderer/-/merge_requests/940>
1 file changed