Update rtconfig.h

Dozingfiretruck · web-flow · commit 7e011d0f18fc · 2020-10-24T14:46:19.000+08:00
diff --git a/bsp/stm32/stm32wb55-st-nucleo/rtconfig.h b/bsp/stm32/stm32wb55-st-nucleo/rtconfig.h
@@ -90,7 +90,7 @@
 /* POSIX layer and C standard library */
 
 #define RT_USING_LIBC
-#define RT_USING_POSIX
+
 
 /* Network */
 
