extcon: arizona: Remove unneeded semi-colon

There is no need for a semi-colon at the end of a switch statement so
remove it.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c
index 1d8e0a5..be4d93d 100644
--- a/drivers/extcon/extcon-arizona.c
+++ b/drivers/extcon/extcon-arizona.c
@@ -183,7 +183,7 @@
 		if (clamp)
 			val = ARIZONA_RMV_SHRT_HP1L;
 		break;
-	};
+	}
 
 	snd_soc_dapm_mutex_lock(arizona->dapm);