scale reported batt% where <=3% reports as 0%

Change-Id: I7671ce58c2a0a5a4158d9d6e418b10af7fc7c5f9
Update MPU3050 kernel driver

1. Update MPU3050 drivers to Invensense MPU code update v3.3.4 ported from:
   https://android.googlesource.com/kernel/msm.git/+/android-msm-sony-cm-jb-3.0
2. Enable LSM303DLHA and LSM303DLHM as MPU3050 slaves instead of fake BMA150 and AK8975
3. Proper LSM303DLHA and LSM303DLHM power management when acting as MPU3050 slaves
4. Gyro & Magnetomer axis configuration changed

Change-Id: I48b03fdb5a45689cbc490ed88db60ed04657073f