pinctrl: lynxpoint: Make use of for_each_requested_gpio()

static int lp_gpio_resume(struct device *dev)

{

	struct intel_pinctrl *lg = dev_get_drvdata(dev);

	struct gpio_chip *chip = &lg->chip;

	const char *dummy;

	void __iomem *reg;

	int i;

	/* on some hardware suspend clears input sensing, re-enable it here */

	for (i = 0; i < lg->chip.ngpio; i++) {

		if (gpiochip_is_requested(&lg->chip, i) != NULL) {

			reg = lp_gpio_reg(&lg->chip, i, LP_CONFIG2);

	for_each_requested_gpio(chip, i, dummy) {

		reg = lp_gpio_reg(chip, i, LP_CONFIG2);

		iowrite32(ioread32(reg) & ~GPINDIS_BIT, reg);

	}

	}

	return 0;

}