hwmon: (adc128d818) simplify final return in probe

The final return in adc128d818_probe() can be simplified by using
PTR_ERR_OR_ZERO rather than an if statement.
Suggested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: David Lechner <dlechner@baylibre.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20240506-regulator-devm_regulator_get_enable_read_voltage-fixes-v1-2-356cdd152067@baylibre.comSigned-off-by: Mark Brown <broonie@kernel.org>

drivers/hwmon/adc128d818.c

@@ -475,10 +475,8 @@ static int adc128_probe(struct i2c_client *client)
 
 	hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name,
 							   data, adc128_groups);
-	if (IS_ERR(hwmon_dev))
-		return PTR_ERR(hwmon_dev);
 
-	return 0;
+	return PTR_ERR_OR_ZERO(hwmon_dev);
 }
 
 static const struct i2c_device_id adc128_id[] = {