power: pm8921-charger: Use ccadc api's

When BMS is not configured the charger needs to get the current
from the ccadc. Also it needs to calculate state of charge based on
the voltage.

Change-Id: I501253f1d16f970ec4ade0a3f4ad90198b410f3d
Signed-off-by: Abhijeet Dharmapurikar <adharmap@codeaurora.org>
1 file changed