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/CMakeLists.txt b/src/backends/neon/workloads/CMakeLists.txt
index 0c02b5c..c5548bf 100644
--- a/src/backends/neon/workloads/CMakeLists.txt
+++ b/src/backends/neon/workloads/CMakeLists.txt
@@ -86,12 +86,8 @@
     NeonRsqrtWorkload.hpp
     NeonSliceWorkload.cpp
     NeonSliceWorkload.hpp
-    NeonSoftmaxBaseWorkload.cpp
-    NeonSoftmaxBaseWorkload.hpp
-    NeonSoftmaxFloatWorkload.cpp
-    NeonSoftmaxFloatWorkload.hpp
-    NeonSoftmaxUint8Workload.cpp
-    NeonSoftmaxUint8Workload.hpp
+    NeonSoftmaxWorkload.cpp
+    NeonSoftmaxWorkload.hpp
     NeonSpaceToBatchNdWorkload.cpp
     NeonSpaceToBatchNdWorkload.hpp
     NeonSpaceToDepthWorkload.cpp