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/CLGEMM.cpp b/src/runtime/CL/functions/CLGEMM.cpp
index 57a5f97..181ae28 100644
--- a/src/runtime/CL/functions/CLGEMM.cpp
+++ b/src/runtime/CL/functions/CLGEMM.cpp
@@ -49,8 +49,6 @@
 #include "src/runtime/CL/gemm/CLGEMMKernelSelection.h"
 #include "support/Cast.h"
 
-#include "support/MemorySupport.h"
-
 namespace arm_compute
 {
 using namespace arm_compute::misc::shape_calculator;
@@ -60,7 +58,7 @@
 namespace weights_transformations
 {
 CLGEMMReshapeRHSMatrixKernelManaged::CLGEMMReshapeRHSMatrixKernelManaged()
-    : _kernel(support::cpp14::make_unique<CLGEMMReshapeRHSMatrixKernel>())
+    : _kernel(std::make_unique<CLGEMMReshapeRHSMatrixKernel>())
 {
 }
 
@@ -102,13 +100,13 @@
 CLGEMM::CLGEMM(std::shared_ptr<IMemoryManager> memory_manager, IWeightsManager *weights_manager)
     : _memory_group(std::move(memory_manager)),
       _weights_manager(weights_manager),
-      _mm_kernel(support::cpp14::make_unique<CLGEMMMatrixMultiplyKernel>()),
-      _reshape_lhs_kernel(support::cpp14::make_unique<CLGEMMReshapeLHSMatrixKernel>()),
-      _reshape_rhs_kernel(support::cpp14::make_unique<CLGEMMReshapeRHSMatrixKernel>()),
-      _reshape_rhs_kernel_managed(support::cpp14::make_unique<weights_transformations::CLGEMMReshapeRHSMatrixKernelManaged>()),
-      _mm_reshaped_kernel(support::cpp14::make_unique<CLGEMMMatrixMultiplyReshapedKernel>()),
-      _mm_reshaped_only_rhs_kernel(support::cpp14::make_unique<CLGEMMMatrixMultiplyReshapedOnlyRHSKernel>()),
-      _mm_reshaped_only_rhs_fallback_kernel(support::cpp14::make_unique<CLGEMMMatrixMultiplyReshapedOnlyRHSKernel>()),
+      _mm_kernel(std::make_unique<CLGEMMMatrixMultiplyKernel>()),
+      _reshape_lhs_kernel(std::make_unique<CLGEMMReshapeLHSMatrixKernel>()),
+      _reshape_rhs_kernel(std::make_unique<CLGEMMReshapeRHSMatrixKernel>()),
+      _reshape_rhs_kernel_managed(std::make_unique<weights_transformations::CLGEMMReshapeRHSMatrixKernelManaged>()),
+      _mm_reshaped_kernel(std::make_unique<CLGEMMMatrixMultiplyReshapedKernel>()),
+      _mm_reshaped_only_rhs_kernel(std::make_unique<CLGEMMMatrixMultiplyReshapedOnlyRHSKernel>()),
+      _mm_reshaped_only_rhs_fallback_kernel(std::make_unique<CLGEMMMatrixMultiplyReshapedOnlyRHSKernel>()),
       _tmp_a(),
       _tmp_b(),
       _original_b(nullptr),