fusion3: reduce gps log spam

way too much logging going on for normal operations, reduce to errors

Change-Id: I80e3f954c959892b17b0644494de98fc46832841
fusion3: bt: fix exit code in case of firmware download errors

Change-Id: Ib947b70daa5249b990a7a61f0f403bb4970b7d96
fusion3: set LTE as default network

bored to see user complain about it

Change-Id: I7049c6f650dc239ba5651209ca3bbee74cf34710