From: ChiaEn Wu <chiaen_wu@xxxxxxxxxxx>
MediaTek MT6370 is a SubPMIC consisting of a single cell battery charger
with ADC monitoring, RGB LEDs, dual channel flashlight, WLED backlight
driver, display bias voltage supply, one general purpose LDO, and the
USB Type-C & PD controller complies with the latest USB Type-C and PD
standards.
This adds support the MT6370 ADC driver for system monitoring, including
charger current, voltage, and temperature.
Signed-off-by: ChiaEn Wu <chiaen_wu@xxxxxxxxxxx>