Add model_id support to airOS (home-assistant#154388)

Author: CoMPaTech

homeassistant/components/airos/entity.py

@@ -36,6 +36,11 @@ def __init__(self, coordinator: AirOSDataUpdateCoordinator) -> None:
             identifiers={(DOMAIN, str(airos_data.host.device_id))},
             manufacturer=MANUFACTURER,
             model=airos_data.host.devmodel,
+            model_id=(
+                sku
+                if (sku := airos_data.derived.sku) not in ["UNKNOWN", "AMBIGUOUS"]
+                else None
+            ),
             name=airos_data.host.hostname,
             sw_version=airos_data.host.fwversion,
         )