update quicksilver TH5-512 port name (sonic-net#18600)

What is the motivation for this PR?
update sonic-mgmt to match with the new naming convention after sonic-net/sonic-buildimage#22577

Author: sdszhang

ansible/module_utils/port_utils.py

@@ -150,19 +150,29 @@ def get_port_alias_to_name_map(hwsku, asic_name=None):
             port_alias_to_name_map["Ethernet65"] = "Ethernet512"
             port_alias_to_name_map["Ethernet66"] = "Ethernet513"
         elif hwsku == "Arista-7060X6-64PE-B-C512S2":
+            split_alias_list = ["a", "b", "c", "d", "e", "f", "g", "h"]
             for i in range(1, 65):
-                for j in range(1, 9):
-                    port_alias_to_name_map["Ethernet%d/%d" % (i, j)] = "Ethernet%d" % ((i - 1) * 8 + j - 1)
-            port_alias_to_name_map["Ethernet65"] = "Ethernet512"
-            port_alias_to_name_map["Ethernet66"] = "Ethernet513"
+                for idx, split_alias in enumerate(split_alias_list):
+                    alias = "etp{}{}".format(i, split_alias)
+                    eth_name = "Ethernet{}".format((i - 1) * 8 + idx)
+                    port_alias_to_name_map[alias] = eth_name
+            port_alias_to_name_map['etp65'] = "Ethernet512"
+            port_alias_to_name_map['etp66'] = "Ethernet513"
         elif hwsku == "Arista-7060X6-64PE-B-C448O16":
+            split_alias_list = ["a", "b", "c", "d", "e", "f", "g", "h"]
+            split_alias_list_1 = ["a", "b"]
+            split_2_port_indexs = [13, 14, 17, 18, 45, 46, 49, 50]
             for i in range(1, 65):
-                if i in [13, 14, 17, 18, 45, 46, 49, 50]:
-                    for j in [1, 5]:
-                        port_alias_to_name_map["Ethernet%d/%d" % (i, j)] = "Ethernet%d" % ((i - 1) * 8 + j - 1)
+                if i in split_2_port_indexs:
+                    for idx, split_alias in enumerate(split_alias_list_1):
+                        alias = "etp{}{}".format(i, split_alias)
+                        eth_name = "Ethernet{}".format((i - 1) * 8 + idx * 4)
+                        port_alias_to_name_map[alias] = eth_name
                 else:
-                    for j in range(1, 9):
-                        port_alias_to_name_map["Ethernet%d/%d" % (i, j)] = "Ethernet%d" % ((i - 1) * 8 + j - 1)
+                    for idx, split_alias in enumerate(split_alias_list):
+                        alias = "etp{}{}".format(i, split_alias)
+                        eth_name = "Ethernet{}".format((i - 1) * 8 + idx)
+                        port_alias_to_name_map[alias] = eth_name
         elif hwsku == "Arista-7050QX32S-Q32":
             for i in range(5, 29):
                 port_alias_to_name_map["Ethernet%d/1" % i] = "Ethernet%d" % ((i - 5) * 4)