Fixed the issue where voice wake-up causes panic when DEBUG is enabled. (#1606)

main/led/gpio_led.h

@@ -32,7 +32,9 @@ class GpioLed : public Led {
     int blink_interval_ms_ = 0;
     esp_timer_handle_t blink_timer_ = nullptr;
     bool fade_up_ = true;
-
+    TaskHandle_t event_task_handle_;
+    
+    static void EventTask(void* arg);
     void StartBlinkTask(int times, int interval_ms);
     void OnBlinkTimer();