IVGCVSW-3888 Add INSTANCE_NORMALIZATION Reference implementation

Signed-off-by: Kevin May <kevin.may@arm.com>
Change-Id: I725022f86e990c482ea323fc90fd136fe493ed68
diff --git a/src/backends/reference/workloads/RefInstanceNormalizationWorkload.hpp b/src/backends/reference/workloads/RefInstanceNormalizationWorkload.hpp
new file mode 100644
index 0000000..3d8a72c
--- /dev/null
+++ b/src/backends/reference/workloads/RefInstanceNormalizationWorkload.hpp
@@ -0,0 +1,22 @@
+//
+// Copyright © 2019 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#pragma once
+
+#include <backendsCommon/Workload.hpp>
+#include <backendsCommon/WorkloadData.hpp>
+
+namespace armnn
+{
+
+class RefInstanceNormalizationWorkload : public BaseWorkload<InstanceNormalizationQueueDescriptor>
+{
+public:
+    explicit RefInstanceNormalizationWorkload(const InstanceNormalizationQueueDescriptor& descriptor,
+                                              const WorkloadInfo& info);
+    virtual void Execute() const override;
+};
+
+} //namespace armnn