feat(stepuptech_solar_inverter_v2): add compatible Sukflow model

merged from PR #5622 by @kingofcopy

custom_components/tuya_local/devices/stepuptech_solar_inverter_v2.yaml

@@ -3,6 +3,9 @@ products:
   - id: 2zkyfrpmfxmex896
     manufacturer: Stepuptech
     model: SPD-800
+  - id: dlwqvcfv08b4iosh
+    manufacturer: Sukflow
+    model: NBQ1000-EU
 entities:
   - entity: sensor
     class: energy