IVGCVSW-1900 : CL backend folder structure

* moving backends/ClWorkloads to backends/cl
* and moving pure Cl workload related code to
  backends/cl/workloads

Change-Id: I019a3c6b4da5e7a23074bf03fb057e63199ad129
diff --git a/src/backends/cl/workloads/ClPermuteWorkload.hpp b/src/backends/cl/workloads/ClPermuteWorkload.hpp
new file mode 100644
index 0000000..8ff5707
--- /dev/null
+++ b/src/backends/cl/workloads/ClPermuteWorkload.hpp
@@ -0,0 +1,42 @@
+//
+// Copyright © 2017 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#pragma once
+
+#include <backends/Workload.hpp>
+#include <backends/WorkloadData.hpp>
+
+#include <armnn/TypesUtils.hpp>
+#include <arm_compute/runtime/CL/functions/CLPermute.h>
+
+#include <string>
+
+namespace armnn
+{
+
+arm_compute::Status ClPermuteWorkloadValidate(const PermuteDescriptor& descriptor);
+
+template<armnn::DataType... DataTypes>
+class ClPermuteWorkload : public TypedWorkload<PermuteQueueDescriptor, DataTypes...>
+{
+public:
+    static const std::string& GetName()
+    {
+        static const std::string name = std::string("ClPermuteWorkload");
+        return name;
+    }
+
+    ClPermuteWorkload(const PermuteQueueDescriptor& descriptor, const WorkloadInfo& info);
+    void Execute() const override;
+
+private:
+    using TypedWorkload<PermuteQueueDescriptor, DataTypes...>::m_Data;
+    mutable arm_compute::CLPermute m_PermuteFunction;
+};
+
+using ClPermuteFloatWorkload = ClPermuteWorkload<DataType::Float16, DataType::Float32>;
+using ClPermuteUint8Workload = ClPermuteWorkload<DataType::QuantisedAsymm8>;
+
+} // namespace armnn