[media] rc: img-ir: hw: Remove unnecessary semi-colon

Fix a coccicheck warning in img-ir driver:
drivers/media/rc/img-ir/img-ir-hw.c:500:2-3: Unneeded semicolon
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

drivers/media/rc/img-ir/img-ir-hw.c

@@ -497,7 +497,7 @@ static int img_ir_set_filter(struct rc_dev *dev, enum rc_filter_type type,
 		break;
 	default:
 		ret = -EINVAL;
-	};
+	}
 
 unlock:
 	spin_unlock_irq(&priv->lock);