disable kernel build waring

hc

2024-05-10 093a6c67005148ae32a5c9e4553491b9f5c2457b

 kernel/drivers/net/wireless/ath/ar5523/Makefile
..
..
@@ -1 +1,2 @@
1
+# SPDX-License-Identifier: ISC
1
2
 obj-$(CONFIG_AR5523)   := ar5523.o