[CI20] Add script for creating Debian sysroot and GCC toolchain for mipsel

Script will create Debain Jessie based sysroot for building Cobalt
and will build cross-toolchain GCC 4.9.

Change-Id: Iade0cf7ceafb041945c8d0f7e368b4059dc3a27b
4 files changed
tree: 75f3c04de481ecee71fa62ae242cea12d1b7d7d7
  1. codereview.settings
  2. src/