update SELinux policies for 4.4
SELinux: update polices

Change-Id: Id1f4d35932e0370514a6eabc73cf612162a4ba25
SELinux: move policy to board/platform

Change-Id: I6e4dade5b886688a548863e3fe070d8cce9ddc13
Revert "qcom-common: Drop local copy of dtbTool for dtbToolCM"

This reverts commit 84bbf36a070e2af37810537232c42943a78b0d7e.