reset: berlin: drop DT cell size check

Now that the DT cell size check has been moved to the core,
there is no need to check again.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>

drivers/reset/reset-berlin.c

@@ -55,9 +55,6 @@ static int berlin_reset_xlate(struct reset_controller_dev *rcdev,
 {
 	unsigned offset, bit;
 
-	if (WARN_ON(reset_spec->args_count != rcdev->of_reset_n_cells))
-		return -EINVAL;
-
 	offset = reset_spec->args[0];
 	bit = reset_spec->args[1];