disable kernel build waring

hc

2024-05-10 093a6c67005148ae32a5c9e4553491b9f5c2457b

 kernel/drivers/accessibility/Makefile
..
..
@@ -1 +1,3 @@
1
+# SPDX-License-Identifier: GPL-2.0-only
1
2
 obj-y				+= braille/
3
+obj-$(CONFIG_SPEAKUP)		+= speakup/