[PORT FROM R2]pti: Check if pti is enabled in mipi header

[PORT FROM R2]pti: Check if pti is enabled in mipi header

BZ: 28818

Check in init if pti is enabled in mipi header. In case of pti is
disabled return error to avoid further accesses on pti.

Change-Id: I587c12caa11619d49fe38e865e451821df502fa2
Signed-off-by: Jouni Hogander <jouni.hogander@intel.com>
Reviewed-on: http://android.intel.com:8080/45916
Reviewed-by: Guerard, Christophe <christophe.guerard@intel.com>
Reviewed-by: Koskinen, Ilkka <ilkka.koskinen@intel.com>
Reviewed-by: Lebouc, Christophe <christophe.lebouc@intel.com>
Tested-by: Lebouc, Christophe <christophe.lebouc@intel.com>
Reviewed-by: buildbot <buildbot@intel.com>
Tested-by: buildbot <buildbot@intel.com>