Move legacy GPS HAL to needed devices

  msm8960 3.4 kernel will use prebuilts and msm8226 will use
  updated hal source

Change-Id: I0c6f88ac6f0806ca19549e76a4d39c93ea67dc66
proprietary-files: Commonize msm8960 and msm8960dt where possible

Change-Id: Iddfdb65e5d3f2fbed7eb4d2d65e6a4c3f55eda69