fix: heap corruption caused by dma_buffer in cam_deinit()

driver/cam_hal.c

@@ -435,6 +435,9 @@ esp_err_t cam_deinit(void)
     if (cam_obj->frame_buffer_queue) {
         vQueueDelete(cam_obj->frame_buffer_queue);
     }
+
+    ll_cam_deinit(cam_obj);
+    
     if (cam_obj->dma) {
         free(cam_obj->dma);
     }
@@ -451,8 +454,6 @@ esp_err_t cam_deinit(void)
         free(cam_obj->frames);
     }
 
-    ll_cam_deinit(cam_obj);
-
     free(cam_obj);
     cam_obj = NULL;
     return ESP_OK;