gallium: update abs_delta segementation parameter

This patch updates segmentation_abs_or_delta_update value based on
VP9 bitstream header info.

Netflix videos are showing corrupted output when codec is HW vp9
and segemantion enabled.This change will fix the corruption issue.

Signed-off-by: SureshGuttula <suresh.guttula@amd.com>
Reviewed-by: Leo Liu <leo.liu@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7290>
3 files changed