w1: ds2438: fixed a coding style issue

There is an if statement and, if the function goes into it, it returns. So,
the next else is not required.
Signed-off-by: Luiz Sampaio <sampaio.ime@gmail.com>
Link: https://lore.kernel.org/r/20210519223046.13798-2-sampaio.ime@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/w1/slaves/w1_ds2438.c

@@ -154,11 +154,11 @@ static int w1_ds2438_change_config_bit(struct w1_slave *sl, u8 mask, u8 value)
 
 		if ((status & mask) == value)
 			return 0;	/* already set as requested */
-		else {
-			/* changing bit */
-			status ^= mask;
-			perform_write = 1;
-		}
+
+		/* changing bit */
+		status ^= mask;
+		perform_write = 1;
+
 		break;
 	}