IVGCVSW-4624 Add a RANK Reference Implementation

 * Add Rank front end
 * Add Rank reference implementation
 * Add Rank serialization support
 * Add Scalar serialization support

Signed-off-by: Finn Williams <Finn.Williams@arm.com>
Change-Id: I06e4a468c2a84e79bae2e6c5348596bbbf853b4b
diff --git a/src/armnn/Network.cpp b/src/armnn/Network.cpp
index 6c7314f..e0607bd 100644
--- a/src/armnn/Network.cpp
+++ b/src/armnn/Network.cpp
@@ -1460,6 +1460,11 @@
     return layer;
 }
 
+IConnectableLayer* Network::AddRankLayer(const char* name)
+{
+    return m_Graph->AddLayer<RankLayer>(name);
+}
+
 IConnectableLayer* Network::AddResizeBilinearLayer(const ResizeBilinearDescriptor& descriptor,
                                                    const char* name)
 {