Use target name instead of node name as function name (apache#16690)

torch change the description of the graph, function name isn't same as node name, cause can't find function. So use target name instead of node name.

python/tvm/relax/frontend/torch/fx_translator.py

@@ -1561,7 +1561,7 @@ def from_fx(
                         ), f"Unsupported module type {type(module)}"
                         self.env[node] = self.convert_map[type(module)](node)
                     elif node.op == "call_function":
-                        func_name = node.name.rstrip("0123456789_")
+                        func_name = node.target.__name__
                         assert (
                             func_name in self.convert_map
                         ), f"Unsupported function type {func_name}"