[Test] add throughput tests for zynqbuild too

notebooks/end2end_example/tfc_end2end_example.ipynb

@@ -1939,7 +1939,7 @@
     "from finn.core.throughput_test import throughput_test\n",
     "\n",
     "child_model = ModelWrapper(getCustomOp(sdp_node).get_nodeattr(\"model\"))\n",
-    "res = throughput_test(child_model)\n",
+    "res = throughput_test_remote(child_model)\n",
     "print(\"Network metrics:\")\n",
     "for key in res:\n",
     "    print(str(key) + \": \" + str(res[key]))"