This patch removes two fields from "struct device" that are duplicated
in "struct dev_pm_info":  power_state (which should probably vanish)
and "saved_state".  There were only two "real" uses of saved_state;
both are now switched over to use dev_pm_info.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>