HALO cleanup & clearall-nap

Change-Id: I05e45812fa10e3f6b3818ac4a96d94c7d0d5d125
Signed-off-by: Dan Trifan <jimsth@gmail.com>
HALO: make a trusted overlay

Change-Id: I009be0361c73ec536277641d235b0c495bc43db6
Signed-off-by: Dan Trifan <jimsth@gmail.com>