IVGCVSW-3168 Refactor reference softmax workload into a single workload

Change-Id: Ie290efcbb9e3a6365cbd630cb2041e7b0f542505
Signed-off-by: nikraj01 <nikhil.raj@arm.com>
diff --git a/src/backends/reference/backend.mk b/src/backends/reference/backend.mk
index 9a4cf14..57204a0 100644
--- a/src/backends/reference/backend.mk
+++ b/src/backends/reference/backend.mk
@@ -58,8 +58,7 @@
         workloads/RefResizeBilinearFloat32Workload.cpp \
         workloads/RefResizeBilinearUint8Workload.cpp \
         workloads/RefRsqrtFloat32Workload.cpp \
-        workloads/RefSoftmaxFloat32Workload.cpp \
-        workloads/RefSoftmaxUint8Workload.cpp \
+        workloads/RefSoftmaxWorkload.cpp \
         workloads/RefSpaceToBatchNdWorkload.cpp \
         workloads/RefStridedSliceWorkload.cpp \
         workloads/RefSplitterFloat32Workload.cpp \