IVGCVSW-1921: move common Acl code to a separate folder

Change-Id: I400be8e7c0cc5a31eb9d2a7396da145d50d51b6e
diff --git a/src/backends/NeonWorkloads/NeonL2NormalizationFloatWorkload.cpp b/src/backends/NeonWorkloads/NeonL2NormalizationFloatWorkload.cpp
index 7296e67..dee789a 100644
--- a/src/backends/NeonWorkloads/NeonL2NormalizationFloatWorkload.cpp
+++ b/src/backends/NeonWorkloads/NeonL2NormalizationFloatWorkload.cpp
@@ -4,7 +4,7 @@
 //
 
 #include "NeonL2NormalizationFloatWorkload.hpp"
-#include "backends/ArmComputeUtils.hpp"
+#include <backends/aclCommon/ArmComputeUtils.hpp>
 
 namespace armnn
 {