IVGCVSW-4456 Fix MobileNet SSD perf regression

* Now use accelerated DetectionPostProcess
  NEON workload, originally was using vanilla
  version.

Change-Id: Ib64653801024a191f841d601932fa3c54baa5c3b
Signed-off-by: James Conroy <james.conroy@arm.com>
diff --git a/src/backends/neon/workloads/NeonDetectionPostProcessWorkload.hpp b/src/backends/neon/workloads/NeonDetectionPostProcessWorkload.hpp
index f7f0ebf..29876ff 100644
--- a/src/backends/neon/workloads/NeonDetectionPostProcessWorkload.hpp
+++ b/src/backends/neon/workloads/NeonDetectionPostProcessWorkload.hpp
@@ -8,7 +8,7 @@
 #include <backendsCommon/Workload.hpp>
 
 #include <arm_compute/core/Error.h>
-#include <arm_compute/runtime/CPP/functions/CPPDetectionPostProcessLayer.h>
+#include <arm_compute/runtime/NEON/functions/NEDetectionPostProcessLayer.h>
 
 namespace armnn
 {
@@ -31,7 +31,7 @@
     virtual void Execute() const override;
 
 private:
-    mutable arm_compute::CPPDetectionPostProcessLayer m_Func;
+    mutable arm_compute::NEDetectionPostProcessLayer m_Func;
 
     std::unique_ptr<arm_compute::Tensor> m_Anchors;