add dts config

hc

2023-12-06 08f87f769b595151be1afeff53e144f543faa614

 kernel/tools/build/feature/test-sched_getcpu.c
..
..
@@ -8,3 +8,5 @@
8
8
 {
9
9
 	return sched_getcpu();
10
10
 }
11
+
12
+#undef _GNU_SOURCE