disable kernel build waring

hc

2024-05-10 093a6c67005148ae32a5c9e4553491b9f5c2457b

 kernel/arch/s390/purgatory/.gitignore
..
..
@@ -1,2 +1,5 @@
1
-kexec-purgatory.c
1
+# SPDX-License-Identifier: GPL-2.0-only
2
+purgatory
3
+purgatory.chk
4
+purgatory.lds
2
5
 purgatory.ro