ucm: add _fboot / FixedBootSequence

Actually, the BootSequence is executed only when the driver controls
(identifiers or value types) are changed. It may be handy to have
also a sequence which is executed at _each_ boot without any condition.

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

src/ucm/ucm_local.h

@@ -222,6 +222,9 @@ struct snd_use_case_mgr {
 	/* use case verb, devices and modifier configs parsed from files */
 	struct list_head verb_list;
 
+	/* force boot settings - sequence */
+	struct list_head fixedboot_list;
+
 	/* boot settings - sequence */
 	struct list_head boot_list;