COMPMID-3637: Move utility headers from arm_compute to src

Signed-off-by: Georgios Pinitas <georgios.pinitas@arm.com>
Change-Id: If9d6fa8c900b68c4b6fd373f2fc1f9abb83ea917
Signed-off-by: Michalis Spyrou <michalis.spyrou@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/4145
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Sang-Hoon Park <sang-hoon.park@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
diff --git a/src/runtime/DeviceProperties.cpp b/src/runtime/DeviceProperties.cpp
index 5d7ae02..ec9f4a1 100644
--- a/src/runtime/DeviceProperties.cpp
+++ b/src/runtime/DeviceProperties.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019 Arm Limited.
+ * Copyright (c) 2019-2020 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -23,12 +23,12 @@
  */
 #include "arm_compute/runtime/DeviceProperties.h"
 
-#include "arm_compute/runtime/CPUUtils.h"
+#include "src/runtime/CPUUtils.h"
 
 namespace arm_compute
 {
 DeviceProperties::DeviceProperties()
 {
-    get_cpu_configuration(cpu_info);
+    utils::cpu::get_cpu_configuration(cpu_info);
 }
 } // namespace arm_compute