anv: check for wa 16013994831 in emit_so_memcpy_end
anv: check for wa 16013994831 in emit_so_memcpy_end
We are toggling preemption on/off during streamout, this is also
happening on gfx12 platforms, not just dg2.
Signed-off-by: Tapani Pälli <tapani.palli@intel.com>