jf-common: Fix GPS
 * GPS is amazingly broken on JFLTEXX.
 * Compass is spinning like Captain Jack Sparrow.
 * Generate NMEA sentences on the AP side, and enable use of sensor
   correction.

This is a copy of this pick 954c1d2f04f72da0182631935b4446853138ac10

but for CDMA devices

Change-Id: I4d3fa305ba4f9afc234b7187714fc8a7da80d28f