IVGCVSW-3248 Refactor reference BatchToSpace workload

 * Add Decoders and Encoders to workload to make it data type agnostic
 * Merge float32 and Uint8 into single workload

Change-Id: I8adfa1898a63f13889eaaf55a31c26fd1e2d7ee8
Signed-off-by: Francis Murtagh <francis.murtagh@arm.com>
diff --git a/src/backends/reference/workloads/RefBatchToSpaceNdWorkload.hpp b/src/backends/reference/workloads/RefBatchToSpaceNdWorkload.hpp
new file mode 100644
index 0000000..60577ba
--- /dev/null
+++ b/src/backends/reference/workloads/RefBatchToSpaceNdWorkload.hpp
@@ -0,0 +1,22 @@
+//
+// Copyright © 2017 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#pragma once
+
+#include <backendsCommon/Workload.hpp>
+#include <backendsCommon/WorkloadData.hpp>
+
+namespace armnn {
+
+class RefBatchToSpaceNdWorkload : public BaseWorkload<BatchToSpaceNdQueueDescriptor>
+{
+
+public:
+    using BaseWorkload<BatchToSpaceNdQueueDescriptor>::BaseWorkload;
+
+    virtual void Execute() const override;
+};
+
+} // namespace armnn
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