Minor additions for new hardware
increased possible kernel size

git-svn-id: https://www.ocp.inf.ethz.ch/svn/aos/trunk@5414 8c9fc860-2736-0410-a75d-ab315db34111
Added "onRelease" event

git-svn-id: https://www.ocp.inf.ethz.ch/svn/aos/trunk@5415 8c9fc860-2736-0410-a75d-ab315db34111