Guards to make NEReorder aarch64 only

Resolves COMPMID-6151

Signed-off-by: David Svantesson <david.svantesson@arm.com>
Change-Id: I0e8c957f3460633c32ef57be0cdc44a53b8c3e88
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/9553
Reviewed-by: Viet-Hoa Do <viet-hoa.do@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Benchmark: Arm Jenkins <bsgcomp@arm.com>
diff --git a/src/core/NEON/kernels/NEReorderKernel.cpp b/src/core/NEON/kernels/NEReorderKernel.cpp
index c097456..1a7f58b 100644
--- a/src/core/NEON/kernels/NEReorderKernel.cpp
+++ b/src/core/NEON/kernels/NEReorderKernel.cpp
@@ -21,6 +21,7 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
+#if defined(__aarch64__)
 
 #include "src/core/NEON/kernels/NEReorderKernel.h"
 #include "src/common/utils/Log.h"
@@ -221,3 +222,5 @@
 }
 
 } // namespace arm_compute
+
+#endif  // defined(__aarch64__)
\ No newline at end of file