add audio

hc

2023-12-11 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4

 kernel/tools/testing/selftests/splice/.gitignore
..
..
@@ -1 +1,3 @@
1
+# SPDX-License-Identifier: GPL-2.0-only
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 default_file_splice_read
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+splice_read