Add L2Normalize layer node to Graph API

Signed-off-by: thecha01 <theo.charalambous@arm.com>
Change-Id: I5cd26a8829060563d63d8c53e5148631ee053eca
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/3912
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Michele Di Giorgio <michele.digiorgio@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
diff --git a/arm_compute/graph/TypePrinter.h b/arm_compute/graph/TypePrinter.h
index 30433bf..738bffa 100644
--- a/arm_compute/graph/TypePrinter.h
+++ b/arm_compute/graph/TypePrinter.h
@@ -122,6 +122,8 @@
         case NodeType::GenerateProposalsLayer:
             os << "GenerateProposalsLayer";
             break;
+        case NodeType::L2NormalizeLayer:
+            os << "L2NormalizeLayer";
         case NodeType::NormalizationLayer:
             os << "NormalizationLayer";
             break;