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/NEON/functions/NEPReluLayer.cpp b/src/runtime/NEON/functions/NEPReluLayer.cpp
index 00a1a42..fe656c0 100644
--- a/src/runtime/NEON/functions/NEPReluLayer.cpp
+++ b/src/runtime/NEON/functions/NEPReluLayer.cpp
@@ -25,7 +25,6 @@
 
 #include "arm_compute/core/ITensor.h"
 #include "src/core/NEON/kernels/NEElementwiseOperationKernel.h"
-#include "support/MemorySupport.h"
 
 namespace arm_compute
 {
@@ -33,7 +32,7 @@
 {
 void NEPRelu::configure(const ITensorInfo *input, const ITensorInfo *alpha, ITensorInfo *output)
 {
-    auto k = arm_compute::support::cpp14::make_unique<NEArithmeticOperationKernel>();
+    auto k = std::make_unique<NEArithmeticOperationKernel>();
     k->configure(ArithmeticOperation::PRELU, input, alpha, output);
     _kernel = std::move(k);
 }
@@ -53,7 +52,7 @@
 };
 
 NEPReluLayer::NEPReluLayer()
-    : _impl(support::cpp14::make_unique<Impl>())
+    : _impl(std::make_unique<Impl>())
 {
 }
 NEPReluLayer::NEPReluLayer(NEPReluLayer &&) = default;
@@ -65,7 +64,7 @@
     _impl->src_0 = input;
     _impl->src_1 = alpha;
     _impl->dst   = output;
-    _impl->op    = arm_compute::support::cpp14::make_unique<experimental::NEPRelu>();
+    _impl->op    = std::make_unique<experimental::NEPRelu>();
     _impl->op->configure(input->info(), alpha->info(), output->info());
 }