Merge changes...

Merge changes Ifb5e9c26,I3ba91f8b,I82022aa4,Idc141e6b,I4f2ab278,Ie0a8dc51,I213b3618,Ie57d474f into msm-3.4

* changes:
  power: pm8921-charger: round up vddmax adjustments
  power: pm8921-bms: use termination battery resistance
  power: pm8921-bms: increase/decrease UUC 1% at a time
  power: pm8921-bms: limit voltage correction
  power: pm8921-bms: backup average current along with shutdown soc
  power: pm8921-bms: use rtc to get average current
  power: pm8921-bms: fix ccadc accuracy
  power: pm8921-bms: provide option to ignore shutdown soc