Enable Bluetooth 4.0 (BLE) for tuna-based devices

 - Needed to:
     http://review.cyanogenmod.org/46543
     http://review.cyanogenmod.org/46989

Change-Id: If299d291a401ddeff17b6d0db5b2df1059ea3a18
Merge branch 'cm-10.2' into martincz