tf_fuzz: refactor directory structure

Move all C++ source and files related to the C++ tfz binary into a
tfz-cpp subdirectory, and create a new Python project for the suite
generator.

Change-Id: I15aa0ba20e83d6713d17d25b6d636f63ac14f229
Signed-off-by: Nik Dewally <Nik.Dewally@arm.com>
diff --git a/docs/tf_fuzz/source_structure/tests_dir.rst b/docs/tf_fuzz/source_structure/tests_dir.rst
index 8226451..ea20915 100644
--- a/docs/tf_fuzz/source_structure/tests_dir.rst
+++ b/docs/tf_fuzz/source_structure/tests_dir.rst
@@ -1,6 +1,6 @@
-#######################
-'tests'-directory guide
-#######################
+###############################
+'tfz-cpp/tests'-directory guide
+###############################
 
 ************
 Introduction
@@ -9,9 +9,9 @@
 These are just more examples of test-template-file content.  They're not really
 organized *tests* as such.
 
-**********************************************
-``.../tools/tf_fuzz/tests`` directory contents
-**********************************************
+********************************************
+``tf_fuzz/tfz-cpp/tests`` directory contents
+********************************************
 .. code-block:: bash
 
     example_template  sstReads  sstSets