[Tests] Runtime writeable weights = 0 for RTL thresholding in tfc test

Author: auphelia

tests/end2end/test_end2end_bnn_pynq.py

@@ -135,7 +135,8 @@ def fold_tfc(model):
     inp_qnt_node = model.get_nodes_by_op_type("Thresholding_rtl")[0]
     inp_qnt = getCustomOp(inp_qnt_node)
     inp_qnt.set_nodeattr("PE", 49)
-    inp_qnt.set_nodeattr("runtime_writeable_weights", 1)
+    # TODO: update PYNQ driver to support runtime writeable weights for RTL Thresholding
+    # inp_qnt.set_nodeattr("runtime_writeable_weights", 1)
     return model