fix(intel): update encryption and decryption command logic

This change is to re-align HPS cryption logic with
underlying Secure Device Manager's (SDM) mailbox API.

Signed-off-by: Abdul Halim, Muhammad Hadi Asyrafi <muhammad.hadi.asyrafi.abdul.halim@intel.com>
Signed-off-by: Sieu Mun Tang <sieu.mun.tang@intel.com>
Change-Id: I8fc90982d3cddceaf401c1a112ff8e20861bf4c5
4 files changed