radeonsi: don't disable NGG culling on gfx10.3

This was causing the hangs:
    42f921387b9 - radeonsi/gfx10: disable vertex grouping

Acked-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7172>
1 file changed