Disable tsan checks on statistics variables

tools/tsan/starpu.suppr

@@ -20,6 +20,8 @@ race:^comm_amount$
 race:^_starpu_valgrind_print_once$
 race:^_starpu_silent$
 race:^keys_initialized$
+race:^tidying$
+race:^reclaiming$
 
 # don't care about cache hit stats
 race:^_starpu_msi_cache_hit$