Lilygo T-CameraPlus-S3 关闭延时关机以及削平电池百分比 (#598)

* lilygo-t-cameraplus-s3 add pmic

* set lilygo-t-cameraplus-s3 seconds_to_shutdown to -1

main/boards/lilygo-t-cameraplus-s3/lilygo-t-cameraplus-s3.cc

@@ -76,7 +76,7 @@ private:
     PowerSaveTimer* power_save_timer_;
 
     void InitializePowerSaveTimer() {
-        power_save_timer_ = new PowerSaveTimer(-1, 60, 300);
+        power_save_timer_ = new PowerSaveTimer(-1, 60, -1);
         power_save_timer_->OnEnterSleepMode([this]() {
             ESP_LOGI(TAG, "Enabling sleep mode");
             auto display = GetDisplay();