usb: typec: ucsi: glink: use device_for_each_child_node_scoped()

Use the scoped variant of `device_for_each_child_node()` to
automatically handle early exits.

This prevents memory leaks if new error paths are introduced,
as no explicit refcount decrement via `fwnode_handle_put()` is needed.

Reviewed-by: Heikki Krogerus <[e-mail]>
Signed-off-by: Javier Carrasco <[e-mail]>
Reviewed-by: Dmitry Baryshkov <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/usb/typec/ucsi/ucsi_glink.c

···
 	struct pmic_glink_ucsi *ucsi;
 	struct device *dev = &adev->dev;
 	const struct of_device_id *match;
-	struct fwnode_handle *fwnode;
 	int ret;
 
 	ucsi = devm_kzalloc(dev, sizeof(*ucsi), GFP_KERNEL);
···
 
 	ucsi_set_drvdata(ucsi->ucsi, ucsi);
 
-	device_for_each_child_node(dev, fwnode) {
+	device_for_each_child_node_scoped(dev, fwnode) {
 		struct gpio_desc *desc;
 		u32 port;
 
 		ret = fwnode_property_read_u32(fwnode, "reg", &port);
 		if (ret < 0) {
 			dev_err(dev, "missing reg property of %pOFn\n", fwnode);
-			fwnode_handle_put(fwnode);
 			return ret;
 		}
 
···
 		if (!desc)
 			continue;
 
-		if (IS_ERR(desc)) {
-			fwnode_handle_put(fwnode);
+		if (IS_ERR(desc))
 			return dev_err_probe(dev, PTR_ERR(desc),
 					     "unable to acquire orientation gpio\n");
-		}
+
 		ucsi->port_orientation[port] = desc;
 	}