smartport batt sensor: fix enum MAX entries

Author: functionpointer

src/main/sensors/battery_config_structs.h

@@ -32,7 +32,7 @@ typedef enum {
     CURRENT_SENSOR_FAKE,
     CURRENT_SENSOR_ESC,
     CURRENT_SENSOR_SMARTPORT,
-    CURRENT_SENSOR_MAX = CURRENT_SENSOR_FAKE
+    CURRENT_SENSOR_MAX = CURRENT_SENSOR_SMARTPORT
 } currentSensor_e;
 
 typedef enum {
@@ -41,7 +41,7 @@ typedef enum {
     VOLTAGE_SENSOR_ESC,
     VOLTAGE_SENSOR_FAKE,
     VOLTAGE_SENSOR_SMARTPORT,
-    VOLTAGE_SENSOR_MAX = VOLTAGE_SENSOR_FAKE
+    VOLTAGE_SENSOR_MAX = VOLTAGE_SENSOR_SMARTPORT
 } voltageSensor_e;
 
 typedef enum {