ASoC: Intel: atom: controls: remove useless initializations

cppcheck complains about invalid NULL dereferences but there's indeed
no need to initialize loop variables or before allocating memory.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Link: https://lore.kernel.org/r/20220520211719.607543-9-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/intel/atom/sst-atom-controls.c

@@ -1328,7 +1328,7 @@ int sst_send_pipe_gains(struct snd_soc_dai *dai, int stream, int mute)
 {
 	struct sst_data *drv = snd_soc_dai_get_drvdata(dai);
 	struct snd_soc_dapm_widget *w;
-	struct snd_soc_dapm_path *p = NULL;
+	struct snd_soc_dapm_path *p;
 
 	dev_dbg(dai->dev, "enter, dai-name=%s dir=%d\n", dai->name, stream);
 
@@ -1392,7 +1392,7 @@ int sst_send_pipe_gains(struct snd_soc_dai *dai, int stream, int mute)
 static int sst_fill_module_list(struct snd_kcontrol *kctl,
 	 struct snd_soc_dapm_widget *w, int type)
 {
-	struct sst_module *module = NULL;
+	struct sst_module *module;
 	struct snd_soc_component *c = snd_soc_dapm_to_component(w->dapm);
 	struct sst_ids *ids = w->priv;
 	int ret = 0;