Made direct transfer from USER to ACTDEAD optional

If changing between USER <--> ACTDEAD happens without reboot, some HW does not behave properly. This change that transfer from USER to ACTDEAD happens via shutdown makes sure HW is always fresh when we go to USER mode. Direct transfer can be optionally compiled in

Signed-off-by: Pekka Lundstrom <pekka.lundstrom@jollamobile.com>