mogami: wl12xx updates

Build calibrator from source
Remove obsolete BT firmware

Change-Id: Ibf2854b29ca4c54310589d444633643dcbf0fe11
Signed-off-by: Michael Bestas <mikeioannina@gmail.com>
mogami: update wl12xx BT firmware

Fix incall audio

Change-Id: Iddb26abf6ab00072f43eb05ad8c194948bf9f217
Signed-off-by: Michael Bestas <mikeioannina@gmail.com>