HSI: nokia-modem: Replace of_gpio_count() by gpiod_count()

As a preparation to unexport of_gpio_named_count(), convert the
driver to use gpiod_count() instead.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

drivers/hsi/clients/nokia-modem.c

@@ -13,7 +13,6 @@
 #include <linux/interrupt.h>
 #include <linux/of.h>
 #include <linux/of_irq.h>
-#include <linux/of_gpio.h>
 #include <linux/hsi/ssi_protocol.h>
 
 static unsigned int pm = 1;
@@ -75,8 +74,7 @@ static int nokia_modem_gpio_probe(struct device *dev)
 	struct nokia_modem_device *modem = dev_get_drvdata(dev);
 	int gpio_count, gpio_name_count, i, err;
 
-	gpio_count = of_gpio_count(np);
-
+	gpio_count = gpiod_count(dev, NULL);
 	if (gpio_count < 0) {
 		dev_err(dev, "missing gpios: %d\n", gpio_count);
 		return gpio_count;