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/backends/backendsCommon/test/CMakeLists.txt b/src/backends/backendsCommon/test/CMakeLists.txt
index 0ce5299..8373c28 100644
--- a/src/backends/backendsCommon/test/CMakeLists.txt
+++ b/src/backends/backendsCommon/test/CMakeLists.txt
@@ -131,6 +131,8 @@
     layerTests/PreluTestImpl.hpp
     layerTests/QuantizeTestImpl.cpp
     layerTests/QuantizeTestImpl.hpp
+    layerTests/RankTestImpl.cpp
+    layerTests/RankTestImpl.hpp
     layerTests/ReshapeTestImpl.cpp
     layerTests/ReshapeTestImpl.hpp
     layerTests/ResizeTestImpl.cpp