Update makeskyblue_mppt_charger.yaml

mode 2 is Constant current

custom_components/tuya_local/devices/makeskyblue_mppt_charger.yaml

@@ -16,7 +16,7 @@ entities:
           - dps_val: mode_1
             value: Standby
           - dps_val: mode_2
-            value: mode_2
+            value: Constant current
           - dps_val: mode_3
             value: Constant voltage
           - dps_val: mode_4