IVGCVSW-7159 Implement simple TOSA Reference Backend skeleton

 * Added files based on RefBackend
 * Added PreCompiled Workload skeleton
 * Increment ABI version of armnnTestUtils for CreateInput which had
   been left as pure virtual, added base implementation for it.
 * Add IsTosaLayerSupported() for Addition

Change-Id: I4c963adf3f50593d17ecdf21554502a64ad3bd76
diff --git a/src/backends/tosaReference/TosaRefRegistryInitializer.cpp b/src/backends/tosaReference/TosaRefRegistryInitializer.cpp
new file mode 100644
index 0000000..71052f7
--- /dev/null
+++ b/src/backends/tosaReference/TosaRefRegistryInitializer.cpp
@@ -0,0 +1,25 @@
+//
+// Copyright © 2022 Arm Ltd and Contributors. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#include "TosaRefBackend.hpp"
+
+#include <armnn/BackendRegistry.hpp>
+
+namespace
+{
+
+using namespace armnn;
+
+static BackendRegistry::StaticRegistryInitializer g_RegisterHelper
+{
+    BackendRegistryInstance(),
+    TosaRefBackend::GetIdStatic(),
+    []()
+    {
+        return IBackendInternalUniquePtr(new TosaRefBackend);
+    }
+};
+
+} // Anonymous namespace