IVGCVSW-4753 Fix CpuAcc Hal 1.3 Softmax Failures

* Refactor Neon Softmax workload to accept supported data types

Signed-off-by: Sadik Armagan <sadik.armagan@arm.com>
Change-Id: I54aa72d5cbb862cafcc1eabe48f6a00d61050cd7
diff --git a/src/backends/neon/workloads/NeonSoftmaxWorkload.hpp b/src/backends/neon/workloads/NeonSoftmaxWorkload.hpp
new file mode 100644
index 0000000..26081e1
--- /dev/null
+++ b/src/backends/neon/workloads/NeonSoftmaxWorkload.hpp
@@ -0,0 +1,36 @@
+//
+// Copyright © 2020 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#pragma once
+
+#include <armnn/Descriptors.hpp>
+#include <backendsCommon/Workload.hpp>
+
+#include <arm_compute/core/Error.h>
+#include <arm_compute/runtime/IFunction.h>
+#include <arm_compute/runtime/MemoryManagerOnDemand.h>
+
+#include <memory>
+
+namespace armnn
+{
+
+arm_compute::Status NeonSoftmaxWorkloadValidate(const TensorInfo& input,
+                                                const TensorInfo& output,
+                                                const SoftmaxDescriptor& descriptor);
+
+class NeonSoftmaxWorkload : public BaseWorkload<SoftmaxQueueDescriptor>
+{
+public:
+    NeonSoftmaxWorkload(const SoftmaxQueueDescriptor& descriptor, const WorkloadInfo& info,
+                        std::shared_ptr<arm_compute::MemoryManagerOnDemand>& memoryManager);
+    virtual void Execute() const override;
+
+private:
+    std::unique_ptr<arm_compute::IFunction> m_SoftmaxLayer;
+};
+
+} //namespace armnn
+