radv: fix incorrect stride for primitives generated query with GDS

When the query pool uses GDS (for NGG), the stride is 40.

Cc: mesa-stable
Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/8412
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21650>
(cherry picked from commit c119b19f98dcaccb8802fb14f24b4f9b7574fceb)
2 files changed