device->l3_config is only valid on Gfx11+
This only fixes using GPU_TRACE=1
Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Fixes: 02a4d622ed ("anv: expose a couple of emit helper to build utrace buffer copies")
Reviewed-by: Tapani Pälli <tapani.palli@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16291>