Instead of doing full-blown reset while suspending or shutting down
the box use lighter form of reset that should take less time.
Tested-by: NAlan Stern <stern@rowland.harvard.edu>
Tested-by: NRafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: NDmitry Torokhov <dtor@mail.ru>