IVGCVSW-2054: BATCH_TO_SPACE_ND Reference implementation and Unit tests.

Change-Id: I13c6728dbb60643d0e086d171225c5d802987f92
diff --git a/src/backends/reference/workloads/CMakeLists.txt b/src/backends/reference/workloads/CMakeLists.txt
index 4cef2d0..1c38509 100644
--- a/src/backends/reference/workloads/CMakeLists.txt
+++ b/src/backends/reference/workloads/CMakeLists.txt
@@ -9,6 +9,8 @@
     ArithmeticFunction.cpp
     ArithmeticFunction.hpp
     BatchNormImpl.hpp
+    BatchToSpaceNd.cpp
+    BatchToSpaceNd.hpp
     Broadcast.cpp
     Broadcast.hpp
     ConvImpl.cpp
@@ -32,6 +34,10 @@
     RefBatchNormalizationFloat32Workload.hpp
     RefBatchNormalizationUint8Workload.cpp
     RefBatchNormalizationUint8Workload.hpp
+    RefBatchToSpaceNdFloat32Workload.cpp
+    RefBatchToSpaceNdFloat32Workload.hpp
+    RefBatchToSpaceNdUint8Workload.cpp
+    RefBatchToSpaceNdUint8Workload.hpp
     RefConstantFloat32Workload.cpp
     RefConstantFloat32Workload.hpp
     RefConstantUint8Workload.cpp