COMPMID-1582 Add YOLOLayer to graph API

Change-Id: I8eb7cf220f038b0ac70cb3df1f399a3b66bbca1b
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/148245
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Tested-by: bsgcomp <bsgcomp@arm.com>
diff --git a/arm_compute/graph/nodes/NodesFwd.h b/arm_compute/graph/nodes/NodesFwd.h
index 92dc1f0..c000834 100644
--- a/arm_compute/graph/nodes/NodesFwd.h
+++ b/arm_compute/graph/nodes/NodesFwd.h
@@ -53,6 +53,7 @@
 class ResizeLayerNode;
 class SoftmaxLayerNode;
 class SplitLayerNode;
+class YOLOLayerNode;
 } // namespace graph
 } // namespace arm_compute
 #endif /* __ARM_COMPUTE_GRAPH_NODES_FWD_H__ */