add gamepad_battery to legacy elements

src/gamepad.cpp

@@ -123,7 +123,7 @@ void gamepad_info () {
         }
         //8bitdo devices
         if (path.find("hid-e4") != std::string::npos) {
-            if (switch_count == 1)
+            if (bitdo_count == 1)
                 gamepad_data[gamepad_count].name = "8BITDO PAD";
             else
                 gamepad_data[gamepad_count].name = "8BITDO PAD-" + to_string(switch_counter + 1);

src/hud_elements.cpp

@@ -1090,6 +1090,7 @@ void HudElements::legacy_elements(){
     ordered_functions.push_back({show_fps_limit,     value});
     ordered_functions.push_back({resolution,         value});
 #endif
+    ordered_functions.push_back({gamepad_battery,    value});
     ordered_functions.push_back({media_player,       value});
 }