ASoC: arizona: fix indentation issue with return statement

The return statement is indented incorrectly. Fix this by adding in
the missing tab.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/wm8998.c

@@ -60,7 +60,7 @@ static int wm8998_asrc_ev(struct snd_soc_dapm_widget *w,
 				dev_warn(component->dev,
 					 "Unsupported ASRC rate1 (%s)\n",
 					 arizona_sample_rate_val_to_name(val));
-			return -EINVAL;
+				return -EINVAL;
 			}
 			break;
 		default: