monarudo: initial bringup for droid dna

Change-Id: Ia6648297b4b309c2a3352cb282e146ff64dbeb04
m7: fix proximity sensor issues

Needs http://review.cyanogenmod.org/#/c/49528/

Props to TripNRaver for the fix

Change-Id: Ia6514924b74ce7e4c627b385f1af2cb8f6c66994