1.add chipid ioctl api to battery monitor code
2.add chipid itctl api to battery charger code
3.add chipid itctl api to battery gauge code
Signed-off-by: weizhifang <weizhifang@xiaomi.com>
* Adding support for BQ769x0 Battery Monitor IC (Work In Progress)
* Additional changes to support BQ769x0
* Store cell count and chip type when setting up
* Added shutdown, limits, charge/discharge switch, and clear faults operations
* Added support for current measurement; some cleanup
* Updated temperature reporting. Fixed negative current reporting.
* When setting safety limits, update limit structure with actual values used.
* Added note on battery limit structure
* Updates to BQ769x0. Re-ordered fault reporting, added fault cache, added ordered fault clearing
