Merge pull request #4070 from mysterywolf/getline

[bug] [libc] 增加#include <rtconfig.h> 防止开启termios功能后报错

components/libc/compilers/common/termios.h

@@ -9,6 +9,8 @@
 #ifndef _TERMIOS_H__
 #define _TERMIOS_H__
 
+#include <rtconfig.h>
+
 #ifdef RT_USING_POSIX_TERMIOS
 #include <sys/types.h>
 #include <posix_termios.h>