BugID:18631099:add esp32sram for 2 core;esp32devkitc no sram;dir kernel
extern int vfs_init(void);
extern int vfs_device_init(void);
+#ifdef AOS_LOOP
+#include "aos/yloop.h"
+extern aos_loop_t aos_loop_init(void);
+#endif
extern int aos_kv_init(void);
extern void ota_service_init(void);
extern void dumpsys_cli_init(void);
