Add Reduction operation layer node to graph API

Signed-off-by: thecha01 <theo.charalambous@arm.com>
Change-Id: Ida819fb8c33790cc9da6d69eeb51e0599269197a
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/3931
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Michele Di Giorgio <michele.digiorgio@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
diff --git a/src/graph/backends/CL/CLFunctionsFactory.cpp b/src/graph/backends/CL/CLFunctionsFactory.cpp
index 3948400..5f2f46f 100644
--- a/src/graph/backends/CL/CLFunctionsFactory.cpp
+++ b/src/graph/backends/CL/CLFunctionsFactory.cpp
@@ -296,6 +296,8 @@
             return detail::create_priorbox_layer<CLPriorBoxLayer, CLTargetInfo>(*polymorphic_downcast<PriorBoxLayerNode *>(node));
         case NodeType::QuantizationLayer:
             return detail::create_quantization_layer<CLQuantizationLayer, CLTargetInfo>(*polymorphic_downcast<QuantizationLayerNode *>(node));
+        case NodeType::ReductionOperationLayer:
+            return detail::create_reduction_operation_layer<CLReductionOperation, CLTargetInfo>(*polymorphic_downcast<ReductionLayerNode *>(node), ctx);
         case NodeType::ReorgLayer:
             return detail::create_reorg_layer<CLReorgLayer, CLTargetInfo>(*polymorphic_downcast<ReorgLayerNode *>(node));
         case NodeType::ReshapeLayer: