Enable IPv6 tethering

0a13438067ca93f61258f55602c195ebd5e43ab6
lpm: Updated offmode charging binaries

* from SPH-M840
Don't show mobile plan preference

Change-Id: I147b574e9e68dc6af004bef31d27e87f1f90d1f7
Set default locale to en_GB
Set max background service to 4