[components][serial]关闭uart时，反初始化tx_dma->data_queue，防止内存泄漏
[components][serial]关闭uart时，反初始化tx_dma->data_queue，防止内存泄漏

nongxiaoming/rt-thread,weiyuliang/rt-thread,RT-Thread/rt-thread,geniusgogo/rt-thread,armink/rt-thread,weiyuliang/rt-thread,armink/rt-thread,RT-Thread/rt-thread,RT-Thread/rt-thread,weety/rt-thread,RT-Thread/rt-thread,hezlog/rt-thread,geniusgogo/rt-thread,geniusgogo/rt-thread,RT-Thread/rt-thread,ArdaFu/rt-thread,hezlog/rt-thread,nongxiaoming/rt-thread,weety/rt-thread,geniusgogo/rt-thread,nongxiaoming/rt-thread,weiyuliang/rt-thread,geniusgogo/rt-thread,geniusgogo/rt-thread,weiyuliang/rt-thread,hezlog/rt-thread,nongxiaoming/rt-thread,weety/rt-thread,armink/rt-thread,weety/rt-thread,ArdaFu/rt-thread,geniusgogo/rt-thread,ArdaFu/rt-thread,ArdaFu/rt-thread,weety/rt-thread,RT-Thread/rt-thread,weiyuliang/rt-thread,weiyuliang/rt-thread,weety/rt-thread,weety/rt-thread,armink/rt-thread,nongxiaoming/rt-thread,RT-Thread/rt-thread,hezlog/rt-thread,hezlog/rt-thread,weiyuliang/rt-thread,ArdaFu/rt-thread,armink/rt-thread,nongxiaoming/rt-thread,ArdaFu/rt-thread,hezlog/rt-thread,armink/rt-thread,hezlog/rt-thread,nongxiaoming/rt-thread,ArdaFu/rt-thread,armink/rt-thread