[Test] add cnv-w2a2 to PYNQ perf test

tests/pynq/test_pynq_performance_end2end.py

@@ -10,7 +10,7 @@ from finn.core.throughput_test import throughput_test
 build_dir = "/tmp/" + os.environ["FINN_INST_NAME"]
 
 
-@pytest.mark.parametrize("end2end_example", ["tfc_w1a1", "cnv_w1a1"])
+@pytest.mark.parametrize("end2end_example", ["tfc_w1a1", "cnv_w1a1", "cnv_w2a2"])
 @pytest.mark.slow
 def test_pynq_performance_end2end(end2end_example):
     model = load_test_checkpoint_or_skip(