ASoC: soc-component: cleanup cppcheck warning at snd_soc_pcm_component_pm_runtime_get()

This patch cleanups below cppcheck warning.

sound/soc/soc-component.c:1183:9: style: The scope of the variable 'ret' can be reduced. [variableScope]
 int i, ret;
        ^
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87sfzayolo.wl-kuninori.morimoto.gx@renesas.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/soc-component.c

@@ -1171,10 +1171,10 @@ int snd_soc_pcm_component_pm_runtime_get(struct snd_soc_pcm_runtime *rtd,
 					 void *stream)
 {
 	struct snd_soc_component *component;
-	int i, ret;
+	int i;
 
 	for_each_rtd_components(rtd, i, component) {
-		ret = pm_runtime_get_sync(component->dev);
+		int ret = pm_runtime_get_sync(component->dev);
 		if (ret < 0 && ret != -EACCES) {
 			pm_runtime_put_noidle(component->dev);
 			return soc_component_ret(component, ret);