hwmon: remove () used with return

fix checkpatch ERROR:
return is not a function, parentheses are not required

Signed-off-by: Frans Meulenbroeks <fransmeulenbroeks@gmail.com>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
diff --git a/drivers/hwmon/w83l786ng.c b/drivers/hwmon/w83l786ng.c
index 063bd95..baa5f0b 100644
--- a/drivers/hwmon/w83l786ng.c
+++ b/drivers/hwmon/w83l786ng.c
@@ -116,7 +116,7 @@
 			break;
 		val >>= 1;
 	}
-	return ((u8) i);
+	return (u8)i;
 }
 
 struct w83l786ng_data {