gpio: zynq: Fix warnings in the driver

This patch fixes the below warning
	-->Block comments should align the * on each line.
	-->suspect code indent for conditional statements.
	-->Prefer 'unsigned int' to bare use of 'unsigned'
Signed-off-by: Nava kishore Manne <navam@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/gpio/gpio-zynq.c

@@ -712,7 +712,7 @@ static int __maybe_unused zynq_gpio_runtime_resume(struct device *dev)
 	return clk_prepare_enable(gpio->clk);
 }
 
-static int zynq_gpio_request(struct gpio_chip *chip, unsigned offset)
+static int zynq_gpio_request(struct gpio_chip *chip, unsigned int offset)
 {
 	int ret;
 
@@ -725,7 +725,7 @@ static int zynq_gpio_request(struct gpio_chip *chip, unsigned offset)
 	return ret < 0 ? ret : 0;
 }
 
-static void zynq_gpio_free(struct gpio_chip *chip, unsigned offset)
+static void zynq_gpio_free(struct gpio_chip *chip, unsigned int offset)
 {
 	pm_runtime_put(chip->parent);
 }