Calling kobject_uevent() directly is a layering violation.  In
particular, it means we'll miss updating the generic LED trigger.
Signed-off-by: NAlan Jenkins <alan-jenkins@tuffmail.co.uk>
Acked-by: NAlexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: NLen Brown <len.brown@intel.com>