gpio: palmas: Use of_device_get_match_data()

	struct palmas_platform_data *palmas_pdata;

	struct palmas_gpio *palmas_gpio;

	int ret;

	const struct of_device_id *match;

	const struct palmas_device_data *dev_data;

	match = of_match_device(of_palmas_gpio_match, &pdev->dev);

	if (!match)

		return -ENODEV;

	dev_data = match->data;

	dev_data = of_device_get_match_data(&pdev->dev);

	if (!dev_data)

		dev_data = &palmas_dev_data;