leds: convert PCA9532 LED driver to devm_kzalloc()

{

	struct pca9532_data *data = i2c_get_clientdata(client);

	struct pca9532_platform_data *pca9532_pdata = client->dev.platform_data;

	int err;

	if (!pca9532_pdata)

		return -EIO;

		I2C_FUNC_SMBUS_BYTE_DATA))

		return -EIO;

	data = kzalloc(sizeof(*data), GFP_KERNEL);

	data = devm_kzalloc(&client->dev, sizeof(*data), GFP_KERNEL);

	if (!data)

		return -ENOMEM;

	data->client = client;

	mutex_init(&data->update_lock);

	err = pca9532_configure(client, data, pca9532_pdata);

	if (err)

		kfree(data);

	return err;

	return pca9532_configure(client, data, pca9532_pdata);

}

static int pca9532_remove(struct i2c_client *client)

	if (err)

		return err;

	kfree(data);

	return 0;

}