add audio

hc

2023-12-11 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4

 kernel/arch/powerpc/kernel/.gitignore
..
..
@@ -1 +1,3 @@
1
+# SPDX-License-Identifier: GPL-2.0-only
2
+prom_init_check
1
3
 vmlinux.lds