Use seadroid policy

Change-Id: Id41b89ed4ffdfa6d26dec2d661bd5118116d9883
Signed-off-by: Dan Trifan <jimsth@gmail.com>
Minor policy update.

Label data subdirectory with tee label. This
directory stores files associated with the
tf_daemon. Also introduce new led_device domain.

Change-Id: Ia35d4530459b33a4147e1c0eb5d67472d063b239
Signed-off-by: rpcraig <rpcraig@tycho.ncsc.mil>
Signed-off-by: Dan Trifan <jimsth@gmail.com>
Change policy vars to concatenation.

Using assignment versus concatenation doesn't
allow for easy inheritance models.

Change-Id: I9e3d19e73fac8f1b451e29fcce0a0c1ba0112c9a
Signed-off-by: Dan Trifan <jimsth@gmail.com>