ucm: parse SectionOnce section in the master UCM configuration file

Signed-off-by: Jaroslav Kysela <perex@perex.cz>

src/ucm/ucm_local.h

@@ -221,6 +221,9 @@ struct snd_use_case_mgr {
 	/* use case verb, devices and modifier configs parsed from files */
 	struct list_head verb_list;
 
+	/* boot settings - sequence */
+	struct list_head once_list;
+
 	/* default settings - sequence */
 	struct list_head default_list;