m7-common: turn off face detect key

Change-Id: Iaf100d4ae3ff182a8f69947adec80ce857c3c123
m7-common: Remove unnecessary LTE overlay option

* This is now defined in vendor/cm

Change-Id: I2e9730d33699f938a05421640cfeb1d798c16015
Merge remote-tracking branch 'upstream/cm-11.0' into cm-11.0