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/src/graph/backends/NEON/NEDeviceBackend.cpp b/src/graph/backends/NEON/NEDeviceBackend.cpp
index adb87a9..7f87710 100644
--- a/src/graph/backends/NEON/NEDeviceBackend.cpp
+++ b/src/graph/backends/NEON/NEDeviceBackend.cpp
@@ -123,7 +123,7 @@
     TensorInfo info(tensor_desc.shape, 1, tensor_desc.data_type, tensor_desc.quant_info);
     info.set_data_layout(tensor_desc.layout);
 
-    return support::cpp14::make_unique<NETensorHandle>(info);
+    return std::make_unique<NETensorHandle>(info);
 }
 
 std::unique_ptr<ITensorHandle> NEDeviceBackend::create_subtensor(ITensorHandle *parent, TensorShape shape, Coordinates coords, bool extend_parent)
@@ -133,7 +133,7 @@
         return nullptr;
     }
 
-    return support::cpp14::make_unique<NESubTensorHandle>(parent, shape, coords, extend_parent);
+    return std::make_unique<NESubTensorHandle>(parent, shape, coords, extend_parent);
 }
 
 std::unique_ptr<arm_compute::IFunction> NEDeviceBackend::configure_node(INode &node, GraphContext &ctx)
diff --git a/src/graph/backends/NEON/NEFunctionFactory.cpp b/src/graph/backends/NEON/NEFunctionFactory.cpp
index ec06f3f..d070433 100644
--- a/src/graph/backends/NEON/NEFunctionFactory.cpp
+++ b/src/graph/backends/NEON/NEFunctionFactory.cpp
@@ -102,7 +102,7 @@
     ARM_COMPUTE_ERROR_ON(output == nullptr);
 
     // Create and configure function
-    auto func = support::cpp14::make_unique<NENormalizationLayer>(get_memory_manager(ctx, NETargetInfo::TargetType));
+    auto func = std::make_unique<NENormalizationLayer>(get_memory_manager(ctx, NETargetInfo::TargetType));
     func->configure(input, output, norm_info);
 
     // Log info