power: qpnp-bms: calibrate adc for bms data

Use the calibration data from the iadc to adjust for the bms
columb counter and vsense data.

Use the calibration data from the vadc to adjust for the bms
ocv and vbatt data.

Change-Id: I7edbac6125902b87dd369c950b3a88d09a50e53a
Signed-off-by: Xiaozhe Shi <xiaozhes@codeaurora.org>