Move legacy GPS hal to device tree

Change-Id: Ife331728b9e38619224f1569b45f75c0565d57a9
proprietary-files: Commonize msm8960 and msm8960dt where possible

Change-Id: Ie1f62c51899a43166683ca877533b3f6bd294b78
proprietary-files: Remove unneeded blobs

Change-Id: I12c826935f590d677020898a634efe7946ea4b0b