platform: msm: Add support for MDTP SCM call

Add support for SCM call to encrypt/decrypt the data integrity
partition (DIP) using a HW derived key.

This commit also fixes a bug in scm_call2 function, to support correctly
passing 5 parameters via SCM to TZ.

Change-Id: I04177a3ee72e17ccbac1421db8b9c92363fabb60
2 files changed