[maguro][patterns] Enable gst-omx, notification LED and device lock

Change-Id: I255feaf93c61a643ed953b549d787dcae9678c57
[maguro][gst-omx] Adapt gstomx.conf to TI's OMX libraries

Change-Id: I936ec103e12c2c24ed6451ba346f146e6e1f3a93