soc: Add BL31 for Cavium CN81xx Soc

* Add BL31.elf compiled using coreboot toolchain
* Add README, LICENSE and VERSION
* ATF Version 1.5
* Based on commit d48f193d11b4d4dca2675646ad76147f2d4765f2
* https://github.com/9elements/arm-trusted-firmware/commits/coreboot_bl31_blob
* Added here as blob as code is not upstream
* Can be removed as soon as it's upstream

BUG=none
BRANCH=none
TEST=none

Change-Id: I344ef2f6c15fd9a7a8f1777f4bf9b8def4a30128
Signed-off-by: Martin Roth <martinroth@google.com>
Original-Commit-Id: 372012e8e1d0d01f3e77ff73b118665b41ff68b6
Original-Change-Id: I99128cd05735c6dc429d51d642d6afe3f513be3e
Original-Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://chromium-review.googlesource.com/1153081
Commit-Ready: Martin Roth <martinroth@chromium.org>
Tested-by: Martin Roth <martinroth@chromium.org>
Reviewed-by: Martin Roth <martinroth@chromium.org>
4 files changed