Bluetooth: hci_h5: directly return hci_uart_register_device() ret-val

Since the hci_uart_register_device() call is the last thing we do in
h5_serdev_probe() we can simply directly return its return-value.

Cc: Archie Pusaka <[e-mail]>
Suggested-by: Archie Pusaka <[e-mail]>
Signed-off-by: Hans de Goede <[e-mail]>
Signed-off-by: Marcel Holtmann <[e-mail]>

drivers/bluetooth/hci_h5.c

···
 	struct device *dev = &serdev->dev;
 	struct h5 *h5;
 	const struct h5_device_data *data;
-	int err;
 
 	h5 = devm_kzalloc(dev, sizeof(*h5), GFP_KERNEL);
 	if (!h5)
···
 	if (IS_ERR(h5->device_wake_gpio))
 		return PTR_ERR(h5->device_wake_gpio);
 
-	err = hci_uart_register_device(&h5->serdev_hu, &h5p);
-	if (err)
-		return err;
-
-	return 0;
+	return hci_uart_register_device(&h5->serdev_hu, &h5p);
 }
 
 static void h5_serdev_remove(struct serdev_device *serdev)