ASoC: wm_adsp: Remove uneeded semicolon

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c
index bb5f7b4..53e3ab5 100644
--- a/sound/soc/codecs/wm_adsp.c
+++ b/sound/soc/codecs/wm_adsp.c
@@ -1625,7 +1625,7 @@
 		break;
 	default:
 		break;
-	};
+	}
 
 	return 0;
 }