add some code

managed_components/espressif__esp32-camera/driver/private_include/xclk.h

@@ -0,0 +1,10 @@
+#pragma once
+
+#include "esp_system.h"
+#include "esp_camera.h"
+
+esp_err_t xclk_timer_conf(int ledc_timer, int xclk_freq_hz);
+
+esp_err_t camera_enable_out_clock(const camera_config_t *config);
+
+void camera_disable_out_clock(void);