IVGCVSW-2792 Update Neon Mul/Sub workload for latest CL master

* Update Neon Subtraction/Multiplication to use BaseWorkload
* Add Uint8 tests for Subtraction/Multiplication

Change-Id: Ied2aa048924817a4db0025b9bd9e54151667bd74
Signed-off-by: Conor Kennedy <conor.kennedy@arm.com>
diff --git a/src/backends/neon/workloads/CMakeLists.txt b/src/backends/neon/workloads/CMakeLists.txt
index 31b0866..3bbf64d 100644
--- a/src/backends/neon/workloads/CMakeLists.txt
+++ b/src/backends/neon/workloads/CMakeLists.txt
@@ -38,8 +38,8 @@
     NeonMergerWorkload.hpp
     NeonMinimumWorkload.cpp
     NeonMinimumWorkload.hpp
-    NeonMultiplicationFloatWorkload.cpp
-    NeonMultiplicationFloatWorkload.hpp
+    NeonMultiplicationWorkload.cpp
+    NeonMultiplicationWorkload.hpp
     NeonNormalizationFloatWorkload.cpp
     NeonNormalizationFloatWorkload.hpp
     NeonPadWorkload.cpp
@@ -59,8 +59,8 @@
     NeonSoftmaxUint8Workload.cpp
     NeonSoftmaxUint8Workload.hpp
     NeonSplitterWorkload.hpp
-    NeonSubtractionFloatWorkload.cpp
-    NeonSubtractionFloatWorkload.hpp
+    NeonSubtractionWorkload.cpp
+    NeonSubtractionWorkload.hpp
     NeonWorkloads.hpp
     NeonWorkloadUtils.hpp
 )