【增加】内部调度器配置，在开启多线程模块后，防止线程死循环卡死系统。

armink · armink · commit 30bb89dd7f44 · 2019-01-14T09:28:07.000+08:00
Signed-off-by: armink &lt;armink.ztl@gmail.com&gt;
diff --git a/port/mpconfigport.h b/port/mpconfigport.h
@@ -161,8 +161,8 @@
 
 #ifdef MICROPYTHON_USING_THREAD
 #define MICROPY_PY_THREAD           (1)
-#else
-#define MICROPY_PY_THREAD           (0)
+#define MICROPY_ENABLE_SCHEDULER    (1)
+#define MICROPY_SCHEDULER_DEPTH     (8)
 #endif /* MICROPYTHON_USING_THREAD */
 
 #ifdef MICROPYTHON_USING_USELECT
