Add include adreno and properly name vendor tree

Change-Id: I39fb7f9aeb3844bfada299245df8bf64699e1996
Move display density definition from device

Change-Id: I7388f9678f219a783e7f457cbeeee2d66d7cc9cf
Move melfas firmware from common

Change-Id: I1874781ffd9bdceeceaa8c33e8737127d6e836dc