ASoC: Use dapm_mark_dirty() for new DAPM widgets for consistency

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 82d93bf..8711aab 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -2185,7 +2185,7 @@
 
 		w->new = 1;
 
-		list_add(&w->dirty, &(w->dapm->card->dapm_dirty));
+		dapm_mark_dirty(w, "new widget");
 		dapm_debugfs_add_widget(w);
 	}