radv: fix CLEAR_STATE packet length.

Looking at shader traces I noticed some registers were missing,
one of them was being eaten by the wrong clear state length.

Fixes: 4f42ea4dc (radv: use CLEAR_STATE for initializing some registers)
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
1 file changed