Support for ACPI power meter

[ExplorerRay]

Current package doesn't provide a way to read or write /sys/bus/acpi/drivers/power_meter/ACPI000D:XX/power[1-*]_... or from /sys/class/hwmon/hwmon*/device/power[1-*]_.... If the motherboard supports power_meter feature, these files will be present and available to do some read/write operation.

I think it would be convenient if this feature is implemented.

https://docs.kernel.org/hwmon/acpi_power_meter.html

[discordianfish]

Seems resonable, PRs welcome!