hwmon: acpi_power_meter: convert to hwmon_device_register_with_info

Booting lead to a hwmon_device_register() is deprecated. Please convert the driver to use hwmon_device_register_with_info().
So let's convert the driver to use hwmon_device_register_with_info().

Signed-off-by: Corentin Labbe <clabbe@baylibre.com>