Add power on reset (POR) init procedure defined by the maxim
appnote. Using this procedure ensures that the part is
configured/initialized correctly at POR and improves early accuracy of
the fuel gauge and informs the fuel gauge with the battery
characterization parameters.  The battery characterization parameters
come from the maxim characterization procedure.
Signed-off-by: NRamakrishna Pallala <ramakrishna.pallala@intel.com>
Signed-off-by: NDirk Brandewie <dirk.brandewie@gmail.com>
Signed-off-by: NAnton Vorontsov <anton.vorontsov@linaro.org>