hid: core: Properly emulate controller color and battery level

src/core/hid/emulated_controller.h

@@ -424,6 +424,13 @@ private:
      */
     void SetCamera(const Common::Input::CallbackStatus& callback);
 
+    /**
+     * Converts a color format from bgra to rgba
+     * @param color in bgra format
+     * @return NpadColor in rgba format
+     */
+    NpadColor GetNpadColor(u32 color);
+
     /**
      * Triggers a callback that something has changed on the controller status
      * @param type Input type of the event to trigger