Add legal and skeleton documentation files.

Change-Id: I40c982c165881593d88215913309e3177436da1c
Signed-off-by: Gyorgy Szing <Gyorgy.Szing@arm.com>
diff --git a/doc/software_requirements.rst b/doc/software_requirements.rst
new file mode 100644
index 0000000..2cd19d1
--- /dev/null
+++ b/doc/software_requirements.rst
@@ -0,0 +1,13 @@
+Software Requirements

+=====================

+

+TODO: add info here about:

+  * what is needed to build and run unit tests

+  * list of supported dev env's

+  * setup instructions for windows and linux

+

+--------------

+

+*Copyright (c) 2019, Arm Limited and Contributors. All rights reserved.*

+

+SPDX-License-Identifier: BSD-3-Clause