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/runtime/CL/functions/CLMaxUnpoolingLayer.cpp b/src/runtime/CL/functions/CLMaxUnpoolingLayer.cpp
index 392bff2..c9deb30 100644
--- a/src/runtime/CL/functions/CLMaxUnpoolingLayer.cpp
+++ b/src/runtime/CL/functions/CLMaxUnpoolingLayer.cpp
@@ -29,13 +29,12 @@
 #include "arm_compute/runtime/CL/CLScheduler.h"
 #include "src/core/CL/kernels/CLMaxUnpoolingLayerKernel.h"
 #include "src/core/CL/kernels/CLMemsetKernel.h"
-#include "support/MemorySupport.h"
 
 namespace arm_compute
 {
 CLMaxUnpoolingLayer::CLMaxUnpoolingLayer()
-    : _memset_kernel(support::cpp14::make_unique<CLMemsetKernel>()),
-      _unpooling_layer_kernel(support::cpp14::make_unique<CLMaxUnpoolingLayerKernel>())
+    : _memset_kernel(std::make_unique<CLMemsetKernel>()),
+      _unpooling_layer_kernel(std::make_unique<CLMaxUnpoolingLayerKernel>())
 {
 }