Avoid skipping subgraphs for non tf2onnx subgraphs

Author: sspintel

onnxruntime/core/providers/openvino/ov_versions/capability.cc

@@ -40,6 +40,11 @@ GetCapability::GetCapability(const GraphViewer& graph_viewer_param, std::string
 
 std::vector<std::unique_ptr<ComputeCapability>> GetCapability::Execute() {
   std::vector<std::unique_ptr<ComputeCapability>> result;
+  
+  // Check if it is a subgraph
+  if (graph_viewer_.IsSubgraph() && graph_viewer_.Name() == "tf2onnx") {
+    return result;
+  }
 
   // This is a list of initializers that nGraph considers as constants. Example weights, reshape shape etc.
   std::unordered_set<std::string> ng_required_initializers;