feat(intel): support crypto service key operation

Support crypto service key operation mailbox commands through SMC.

Crypto service key operation begin by sending an open crypto service
session request to SDM firmware. Once successfully open the session,
send crypto service key management commands (import, export, remove
and get key info) with the associated session id to SDM firmware.
The crypto service key is required before perform any crypto service
(encryption, signing, etc). Last, close the session after finishes
crypto service. All crypto service keys associated with this session
will be erased by SDM firmware.

Signed-off-by: Siew Chin Lim <elly.siew.chin.lim@intel.com>
Signed-off-by: Boon Khai Ng <boon.khai.ng@intel.com>
Signed-off-by: Sieu Mun Tang <sieu.mun.tang@intel.com>
Change-Id: I02406533f38b9607eb1ec7e1395b9dc2d084a9e3
5 files changed