disable kernel build waring

hc

2024-05-10 093a6c67005148ae32a5c9e4553491b9f5c2457b

 kernel/tools/testing/selftests/rcutorture/configs/rcu/SRCU-P.boot
..
..
@@ -1 +1,2 @@
1
1
 rcutorture.torture_type=srcud
2
+rcupdate.rcu_self_test=1