soc: fsl: qe: Switch to use fwnode instead of of_node

The OF node in the GPIO library is deprecated and soon
will be removed.

GPIO library now accepts fwnode as a firmware node, so
switch the driver to use it.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

drivers/soc/fsl/qe/gpio.c

@@ -19,6 +19,8 @@
 #include <linux/gpio.h>
 #include <linux/slab.h>
 #include <linux/export.h>
+#include <linux/property.h>
+
 #include <soc/fsl/qe/qe.h>
 
 struct qe_gpio_chip {
@@ -179,7 +181,7 @@ struct qe_pin *qe_pin_request(struct device_node *np, int index)
 		goto err0;
 	}
 
-	if (!of_device_is_compatible(gc->of_node, "fsl,mpc8323-qe-pario-bank")) {
+	if (!fwnode_device_is_compatible(gc->fwnode, "fsl,mpc8323-qe-pario-bank")) {
 		pr_debug("%s: tried to get a non-qe pin\n", __func__);
 		err = -EINVAL;
 		goto err0;