Add se-proxy deployment

Remove mock up backend for secure storage in se proxy
deployment, setup crypto, attestation, secure storage
and its ipc backend with openamp as messenger to
secure enclave side.

Include the makefiles for libmetal and openamp,
setup the memory regions for mhu and openamp.

Signed-off-by: Vishnu Banavath <vishnu.banavath@arm.com>
Signed-off-by: Rui Miguel Silva <rui.silva@linaro.org>
Change-Id: Ifc6f2cb105085388c6987308df2fd9c53a04f181
3 files changed