COMPMID-1638 - Add BBoxTransform to the graph API

Change-Id: I67cbbce59d61d907fc4dc4c3997e96b347dfe895
diff --git a/arm_compute/graph/TypePrinter.h b/arm_compute/graph/TypePrinter.h
index 9cdd7b7..697ee94 100644
--- a/arm_compute/graph/TypePrinter.h
+++ b/arm_compute/graph/TypePrinter.h
@@ -68,6 +68,9 @@
         case NodeType::BatchNormalizationLayer:
             os << "BatchNormalizationLayer";
             break;
+        case NodeType::BoundingBoxTransformLayer:
+            os << "BoundingBoxTransformLayer";
+            break;
         case NodeType::ChannelShuffleLayer:
             os << "ChannelShuffleLayer";
             break;