Make sure no power_supply object is present unless we actualy detect
presence of battery. This fixes ghost batteries detected by HAL
Signed-off-by: NAndrey Borzenkov <arvidjaar@mail.ru>
Signed-off-by: NAlexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: NLen Brown <len.brown@intel.com>