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/CLSoftmaxLayer.cpp b/src/runtime/CL/functions/CLSoftmaxLayer.cpp
index 4caf914..93e63dd 100644
--- a/src/runtime/CL/functions/CLSoftmaxLayer.cpp
+++ b/src/runtime/CL/functions/CLSoftmaxLayer.cpp
@@ -33,7 +33,6 @@
 #include "src/core/CL/kernels/CLFillBorderKernel.h"
 #include "src/core/CL/kernels/CLSoftmaxLayerKernel.h"
 #include "src/core/helpers/SoftmaxHelpers.h"
-#include "support/MemorySupport.h"
 
 namespace arm_compute
 {
@@ -42,8 +41,8 @@
     : _memory_group(std::move(memory_manager)),
       _permute_input(),
       _permute_output(),
-      _max_shift_exp_sum_kernel(support::cpp14::make_unique<CLLogits1DMaxShiftExpSumKernel>()),
-      _norm_kernel(support::cpp14::make_unique<CLLogits1DNormKernel>()),
+      _max_shift_exp_sum_kernel(std::make_unique<CLLogits1DMaxShiftExpSumKernel>()),
+      _norm_kernel(std::make_unique<CLLogits1DNormKernel>()),
       _max(),
       _sum(),
       _tmp(),