alsa: Add in a backup include file for alsa specifying the asound.state file

- This will backup the sound card status with the asound.state file when the addon is
   uninstalled so that if it is re-installed in the future the status can be rerstored.

Signed-off-by: Adolf Belka <adolf.belka@ipfire.org>

diff --git a/config/backup/includes/alsa b/config/backup/includes/alsa
new file mode 100644 (file)
index 0000000..93db0bd
--- /dev/null
+++ b/config/backup/includes/alsa
@@ -0,0 +1 @@
+/var/lib/alsa/asound.state