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/CLCast.cpp b/src/runtime/CL/functions/CLCast.cpp
index 2a28e06..202140d 100644
--- a/src/runtime/CL/functions/CLCast.cpp
+++ b/src/runtime/CL/functions/CLCast.cpp
@@ -24,7 +24,6 @@
 #include "arm_compute/runtime/CL/functions/CLCast.h"
 
 #include "src/core/CL/kernels/CLDepthConvertLayerKernel.h"
-#include "support/MemorySupport.h"
 
 #include <utility>
 
@@ -37,7 +36,7 @@
 
 void CLCast::configure(const CLCompileContext &compile_context, const ICLTensor *input, ICLTensor *output, ConvertPolicy policy)
 {
-    auto k = arm_compute::support::cpp14::make_unique<CLDepthConvertLayerKernel>();
+    auto k = std::make_unique<CLDepthConvertLayerKernel>();
     k->configure(compile_context, input, output, policy, 0);
     _kernel = std::move(k);
 }