Tier3 model for netbox

This should cover HW-related part for SR2se devices.

gso/utils/device_info.py

@@ -32,6 +32,13 @@ class TierInfo:
             breakout_interfaces_per_slot=[36, 35, 34, 33],
             total_10g_interfaces=60,
         )
+        self.tier3 = ModuleInfo(
+            device_type="7750 SR2-se",
+            module_bays_slots=[1, 2],
+            module_type="XCMC-2SE-2",
+            breakout_interfaces_per_slot=[36, 35, 34, 33],
+            total_10g_interfaces=76,
+        )
 
     def get_module_by_name(self, name: str) -> ModuleInfo:
         """Retrieve a module by name."""