ASoC: core - Free platform DAPM context at platform removal.

Fix platform removal by freeing the platform DAPM resources and remove
it from the DAPM list.

Signed-off-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/soc-core.c

@@ -907,6 +907,10 @@ static void soc_remove_dai_link(struct snd_soc_card *card, int num, int order)
 			if (err < 0)
 				printk(KERN_ERR "asoc: failed to remove %s\n", platform->name);
 		}
+
+		/* Make sure all DAPM widgets are freed */
+		snd_soc_dapm_free(&platform->dapm);
+
 		platform->probed = 0;
 		list_del(&platform->card_list);
 		module_put(platform->dev->driver->owner);