修正 reset_fc 的逻辑

Signed-off-by: a1012112796 <1012112796@qq.com>

board/board.c

@@ -84,9 +84,6 @@ static void reset_fc(int argc, char **argv)
     }
 
     rt_kprintf("\n the system will be reset after %ds\n", second);
-    rt_enter_critical();
-    rt_console_set_device(RT_NULL);
-    rt_exit_critical();
     rt_thread_delay(1000 * second);
 
     rt_hw_cpu_reset();