power: pm8921-bms: use fixed ibat_avg instead of shutdown ibat_avg

Using stored average ibat(shutdown ibat_avg) which came from
previous boot sometimes cause SoC sudden drop in boot up time.
So this patch use fixed ibat_avg value instead of shutdown ibat_avg
during 1st SoC calculation.

Change-Id: I9675652c3b4918529be40a8d6f8ee29b6dee1359
Signed-off-by: Iliyan Malchev <malchev@google.com>
2 files changed