Fix River 2 missing remaining time sensors

Author: GnoX

custom_components/ef_ble/eflib/devices/river2.py

@@ -56,8 +56,8 @@ class Device(DeviceBase, RawDataProps):
     ac_input_power = raw_field(pb_inv.input_watts)
     ac_output_power = raw_field(pb_inv.output_watts)
 
-    remain_time_charging = raw_field(pb_ems.chg_remain_time)
-    remain_time_discharging = raw_field(pb_ems.dsg_remain_time)
+    remaining_time_charging = raw_field(pb_ems.chg_remain_time)
+    remaining_time_discharging = raw_field(pb_ems.dsg_remain_time)
 
     dc_mode = raw_field(pb_mppt.cfg_chg_type, DCMode.from_value)