on-ac-power: ignore devices with scope==Device

on-ac-power: ignore devices with scope==Device

My mouse is reported as:

P: /devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4.4/1-4.4:1.2/0003:046D:C52B.001E/0003:046D:4051.001F/power_supply/hidpp_battery_4
M: hidpp_battery_4
R: 4
U: power_supply
E: DEVPATH=/devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4.4/1-4.4:1.2/0003:046D:C52B.001E/0003:046D:4051.001F/power_supply/hidpp_battery_4
E: SUBSYSTEM=power_supply
E: POWER_SUPPLY_NAME=hidpp_battery_4
E: POWER_SUPPLY_TYPE=Battery
E: POWER_SUPPLY_ONLINE=1
E: POWER_SUPPLY_STATUS=Discharging
E: POWER_SUPPLY_SCOPE=Device
E: POWER_SUPPLY_MODEL_NAME=Wireless Mouse M510
E: POWER_SUPPLY_MANUFACTURER=Logitech
E: POWER_SUPPLY_SERIAL_NUMBER=4051-bc-cd-d2-5b
E: POWER_SUPPLY_CAPACITY_LEVEL=Normal

See https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=25a0bc2dfc2ea732f40af2dae52426ead66ae76e
Effectively, "System" and "Unkown" are passed through, "Device" is rejected.