42-SYSMON, power_* on cubietruck with Debian 9, Kernel 4.14.18

[llutz]

fyi:
The path of
/sys/class/power_supply/{ac,usb,battery}
on a cubietruck, using armbian (Debian Stretch), Kernel 4.14.18-sunxi moved to
/sys/class/power_supply/axp20x-{ac,usb,battery} .
This makes the 42-SYSMON:power_* functions stop working here.
regards,
llutz

[hexenmeister]

Thanks, I'll improve that