feat(intel): direct boot from TF-A to Linux for Agilex

Enable and update code for TF-A direct boot Linux
for Agilex platform.

Change-Id: Id95986b7015a2a01f0aff80e1c7d8f8bb8fb4637
Signed-off-by: Sieu Mun Tang <sieu.mun.tang@intel.com>
Signed-off-by: Jit Loon Lim <jit.loon.lim@intel.com>
3 files changed