IVGCVSW-3117 Rename RefMergerWorkload to RefConcatWorkload

Change-Id: Ifeb33db919ef77bf777e114f2d84b88fd595ca2c
Signed-off-by: Jim Flynn <jim.flynn@arm.com>
diff --git a/src/backends/reference/workloads/RefConcatWorkload.cpp b/src/backends/reference/workloads/RefConcatWorkload.cpp
new file mode 100644
index 0000000..9abddc0
--- /dev/null
+++ b/src/backends/reference/workloads/RefConcatWorkload.cpp
@@ -0,0 +1,21 @@
+//
+// Copyright © 2017 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#include "RefConcatWorkload.hpp"
+
+#include "Merger.hpp"
+
+#include "Profiling.hpp"
+
+namespace armnn
+{
+
+void RefConcatWorkload::Execute() const
+{
+    ARMNN_SCOPED_PROFILING_EVENT(Compute::CpuRef, "RefConcatWorkload_Execute");
+    Merger(m_Data);
+}
+
+} //namespace armnn