fusion3: Clean up and bring in sync with stock .283

Change-Id: I4ae4a834b9b43899a288e8724e2c48a3d0c4b4a1
script: fix traditional sort

Change-Id: I7d77d933d834d043f219641219e5a00cfc18448c
Inherit from msm8960-common

* msm8960-common then inherits from qcom-common.
* This doesn't change anything currently, just adds one more
  common tree in between - however, later on, we can start moving
  things to this new tree as needed, from both fusion3-common
  and qcom-common

Change-Id: Ib0a5bca4569501e8504ae18b04c98f59130fe4be