If TA fails to open shared mem, it send correct type message back
If TA fails to open shared mem, it send correct type message back

Change-Id: I9c3c58fc530eb56631a5f53a4e27704b6c8de85a
Signed-off-by: TanelDettenborn <b78e06a93b55ca1de0e9b602be506ea7b7368e0f@gmail.com>

Open-TEE/tee-engine