RT5033 fuel gauge support

modulename: rt5033_battery.ko

configname: CONFIG_BATTERY_RT5033

Linux Kernel Configuration
└─>Device Drivers
└─>Power supply class support
└─>RT5033 fuel gauge support
In linux kernel since version 4 (release Date: 2015-04-12)  
This adds support for battery fuel gauge in Richtek RT5033 PMIC.
The fuelgauge calculates and determines the battery state of charge
according to battery open circuit voltage.

source code: