[gcu]: Add marvell-teralynx platform to gcu field validator

Enable BUFFER_PROFILE replace operation on dynamic_th field
and PFC_WD field operations on marvell-teralynx platform
starting 20241100 Sonic version

Signed-off-by: Ravi Minnikanti <[email protected]>

Author: rminnikanti

generic_config_updater/field_operation_validators.py

@@ -29,6 +29,8 @@ def get_asic_name():
 
     if asic_type == 'cisco-8000':
         asic = "cisco-8000"
+    if asic_type == 'marvell-teralynx':
+        asic = "marvell-teralynx"
     elif asic_type == 'mellanox' or asic_type == 'vs' or asic_type == 'broadcom':
         proc = subprocess.Popen(GET_HWSKU_CMD, shell=True, universal_newlines=True, stdout=subprocess.PIPE)
         output, err = proc.communicate()

generic_config_updater/gcu_field_operation_validators.conf.json

@@ -69,7 +69,8 @@
                             "td4": "20241100",
                             "q2c+": "20241100",
                             "j2c+": "20220500",
-                            "cisco-8000": "20201200"
+                            "cisco-8000": "20201200",
+                            "marvell-teralynx": "20241100"
                         }
                     }
                 }
@@ -133,7 +134,8 @@
                             "td4": "20241100",
                             "q2c+": "20241100",
                             "j2c+": "20220500",
-                            "cisco-8000": "20201200"
+                            "cisco-8000": "20201200",
+                            "marvell-teralynx": "20241100"
                         }
                     },
                     "PG headroom modification": {