PM / wakeup: use dev_set_name() directly

We have open coded dev_set_name() implementation, replace that
with a direct call.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210414125310.10900-1-andriy.shevchenko@linux.intel.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/base/power/wakeup_stats.c

@@ -154,7 +154,7 @@ static struct device *wakeup_source_device_create(struct device *parent,
 	dev_set_drvdata(dev, ws);
 	device_set_pm_not_required(dev);
 
-	retval = kobject_set_name(&dev->kobj, "wakeup%d", ws->id);
+	retval = dev_set_name(dev, "wakeup%d", ws->id);
 	if (retval)
 		goto error;