Start with a copy of the arm-sysregs crate from RF-A.

This was copied from
https://review.trustedfirmware.org/plugins/gitiles/RF-A/rusted-firmware-a/+/e88cdf95f3c14f30d177f6f62173c7fc55f574a4.

All contributors have agreed to license this under the MIT or Apache 2.0
licenses, rather than the BSD 3 Clause license previously used in RF-A.

Change-Id: Idf17fd2e4486b553f8482ab7d373f596e213f592
Signed-off-by: Andrew Walbran <qwandor@google.com>
10 files changed