ASoC: topology: Fixes and cleanups

Merge series from Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>:

Following is series of fixes and cleanups for core topology code. Few
patches fixing various problems all around and few fixing function
names.

include/sound/soc-topology.h

@@ -62,7 +62,7 @@ struct snd_soc_dobj {
 	enum snd_soc_dobj_type type;
 	unsigned int index;	/* objects can belong in different groups */
 	struct list_head list;
-	struct snd_soc_tplg_ops *ops;
+	int (*unload)(struct snd_soc_component *comp, struct snd_soc_dobj *dobj);
 	union {
 		struct snd_soc_dobj_control control;
 		struct snd_soc_dobj_widget widget;