Add ArgMinMax layer node to Graph API

Change-Id: I2ccb2c65edd2932b76e905af3d747324b65c2f7f
Signed-off-by: thecha01 <theo.charalambous@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/3910
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Michele Di Giorgio <michele.digiorgio@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
diff --git a/src/graph/GraphBuilder.cpp b/src/graph/GraphBuilder.cpp
index a395332..ff85000 100644
--- a/src/graph/GraphBuilder.cpp
+++ b/src/graph/GraphBuilder.cpp
@@ -139,6 +139,12 @@
     return create_simple_single_input_output_node<ActivationLayerNode>(g, params, input, act_info, out_quant_info);
 }
 
+NodeID GraphBuilder::add_arg_min_max_node(Graph &g, NodeParams params, NodeIdxPair input, ReductionOperation op, unsigned int axis,
+                                          DataType out_data_type, const QuantizationInfo &out_quant_info)
+{
+    return create_simple_single_input_output_node<ArgMinMaxLayerNode>(g, params, input, op, axis, out_data_type, out_quant_info);
+}
+
 NodeID GraphBuilder::add_batch_normalization_node(Graph &g, NodeParams params, NodeIdxPair input, float epsilon,
                                                   ITensorAccessorUPtr mean_accessor, ITensorAccessorUPtr var_accessor,
                                                   ITensorAccessorUPtr beta_accessor, ITensorAccessorUPtr gamma_accessor)