ACPI / hotplug: Don't set kobject parent pointer explicitly

kobject_add() sets the parent pointer, so we don't need to do it
explicitly.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

drivers/acpi/sysfs.c

@@ -764,7 +764,6 @@ void acpi_sysfs_add_hotplug_profile(struct acpi_hotplug_profile *hotplug,
 
 	kobject_init(&hotplug->kobj, &acpi_hotplug_profile_ktype);
 
-	hotplug->kobj.parent = hotplug_kobj;
 	error = kobject_add(&hotplug->kobj, hotplug_kobj, "%s", name);
 	if (error)
 		goto err_out;