xmini-c3: 休眠时关闭es8311可减少20mA电流 (#822)

* Correct class member name

* xmini-c3: 休眠时关闭es8311可减少20mA电流

main/boards/xmini-c3/xmini_c3_board.cc

@@ -33,7 +33,11 @@ private:
     PowerSaveTimer* power_save_timer_ = nullptr;
 
     void InitializePowerSaveTimer() {
+#if CONFIG_USE_ESP_WAKE_WORD
         power_save_timer_ = new PowerSaveTimer(160, 600);
+#else
+        power_save_timer_ = new PowerSaveTimer(160, 60);
+#endif
         power_save_timer_->OnEnterSleepMode([this]() {
             ESP_LOGI(TAG, "Enabling sleep mode");
             auto display = GetDisplay();