trusty: Add fpu/simd support ...

The original patch has been partly merged. This adds the missing
pieces.

Change-Id: I77fd434feab396ff05d9b8e0c1761e4dd588a701
Signed-off-by: Arve Hjønnevåg <arve@android.com>

trusty: Add generic-arm64 support ...

Add smc calls to return gic base address and print to the debug
console. Allows running a generic trusty binary.

Change-Id: I4b6540f140f11432cdff43c3f5a2097df09dc9d1
Signed-off-by: Arve Hjønnevåg <arve@android.com>

trusty: Restore working trusty setup code and include trusty image in build ...

Change-Id: I081901e7df22f78dd9c4fc4c6bfad2aceb870a2d
Signed-off-by: Arve Hjønnevåg <arve@android.com>

Use SPDX license identifiers ...

To make software license auditing simpler, use SPDX[0] license
identifiers instead of duplicating the license text in every file.

NOTE: Files that have been imported by FreeBSD have not been modified.

[0]: https://spdx.org/

Change-Id: I80a00e1f641b8cc075ca5a95b10607ed9ed8761a
Signed-off-by: dp-arm <dimitris.papastamos@arm.com>

spd: dispatcher for interacting with the Trusty TEE ...

This patch adds the secure payload dispatcher for interacting
with Google's Trusty TEE. Documentation for Trusty can be found
at https://source.android.com/security/trusty

Original authors:
-----------------
* Arve Hjønnevåg <arve@android.com>
* Michael Ryleev <gmar@google.com>

Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>