gpio: max732x: remove redundant check

The pdata is already checked for its validity. Remove
this redundant check.
Signed-off-by: Gaurav Singh <gaurav1086@gmail.com>
Link: https://lore.kernel.org/r/20200610113630.11922-1-gaurav1086@gmail.comSigned-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/gpio/gpio-max732x.c

@@ -703,7 +703,7 @@ static int max732x_probe(struct i2c_client *client,
 	if (ret)
 		return ret;
 
-	if (pdata && pdata->setup) {
+	if (pdata->setup) {
 		ret = pdata->setup(client, chip->gpio_chip.base,
 				chip->gpio_chip.ngpio, pdata->context);
 		if (ret < 0)