Add t1-64-lag topo for test_lag_2.py::test_lag_db_status_with_po_update case (#10031)

What is the motivation for this PR?
test_lag_2.py::test_lag_db_status_with_po_update supports t1-64-lag topo.

How did you do it?
Add t1-64-lag topo in conditions yaml file
Signed-off-by: Zhaohui Sun <[email protected]>

Author: ZhaohuiS

tests/common/plugins/conditional_mark/tests_mark_conditions.yaml

@@ -705,9 +705,9 @@ override_config_table/test_override_config_table.py:
 #######################################
 pc/test_lag_2.py::test_lag_db_status_with_po_update:
   skip:
-    reason: "Only support t1-lag, t1-56-lag and t2 topology"
+    reason: "Only support t1-lag, t1-56-lag, t1-64-lag and t2 topology"
     conditions:
-        - "topo_name not in ['t1-lag', 't1-56-lag'] and 't2' not in topo_name"
+        - "topo_name not in ['t1-lag', 't1-56-lag', 't1-64-lag'] and 't2' not in topo_name"
 
 pc/test_lag_member.py:
   skip: