Update default C++ standard to C++14

(3RDPARTY_UPDATE)

Resolves: COMPMID-3849

Signed-off-by: Georgios Pinitas <georgios.pinitas@arm.com>
Change-Id: I6369f112337310140e2d6c8e79630cd11138dfa0
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/4544
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Michalis Spyrou <michalis.spyrou@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
diff --git a/examples/graph_inception_resnet_v1.cpp b/examples/graph_inception_resnet_v1.cpp
index 7c0bb0c..7a55733 100644
--- a/examples/graph_inception_resnet_v1.cpp
+++ b/examples/graph_inception_resnet_v1.cpp
@@ -92,7 +92,7 @@
         }
 
         // Create a preprocessor object
-        std::unique_ptr<IPreprocessor> preprocessor = arm_compute::support::cpp14::make_unique<TFPreproccessor>(0.f, 1.f);
+        std::unique_ptr<IPreprocessor> preprocessor = std::make_unique<TFPreproccessor>(0.f, 1.f);
 
         // Create input descriptor
         const auto        operation_layout = common_params.data_layout;
@@ -207,7 +207,7 @@
                   get_weights_accessor(data_path, "Logits_Logits_weights.npy", weights_layout),
                   get_weights_accessor(data_path, "Logits_Logits_biases.npy"))
               .set_name("Logits/Logits")
-              << OutputLayer(arm_compute::support::cpp14::make_unique<DummyAccessor>(0));
+              << OutputLayer(std::make_unique<DummyAccessor>(0));
 
         // Finalize graph
         GraphConfig config;