ASoC: soc-dapm: cleanup cppcheck warning at dapm_seq_run()

This patch cleanups below cppcheck warning.

sound/soc/soc-dapm.c:1648:6: style: The scope of the variable 'ret' can be reduced. [variableScope]
 int ret, i;
     ^

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87pmusu24j.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/soc-dapm.c

@@ -1647,7 +1647,7 @@ static void dapm_seq_run(struct snd_soc_card *card,
 	int cur_subseq = -1;
 	int cur_reg = SND_SOC_NOPM;
 	struct snd_soc_dapm_context *cur_dapm = NULL;
-	int ret, i;
+	int i;
 	int *sort;
 
 	if (power_up)
@@ -1656,7 +1656,7 @@ static void dapm_seq_run(struct snd_soc_card *card,
 		sort = dapm_down_seq;
 
 	list_for_each_entry_safe(w, n, list, power_list) {
-		ret = 0;
+		int ret = 0;
 
 		/* Do we need to apply any queued changes? */
 		if (sort[w->id] != cur_sort || w->reg != cur_reg ||