radv: limit LATE_ALLOC_GS to prevent a GPU hang on GFX10
Found by inspection, doesn't fix anything known. Cc: mesa-stable Signed-off-by:Samuel Pitoiset <samuel.pitoiset@gmail.com> Reviewed-by:
Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl> Part-of: <mesa/mesa!6279> (cherry picked from commit e4c6204d)