[tools] add function of auto-update rtconfig.h
[tools] add function of auto-update rtconfig.h

nongxiaoming/rt-thread,geniusgogo/rt-thread,hezlog/rt-thread,nongxiaoming/rt-thread,nongxiaoming/rt-thread,geniusgogo/rt-thread,RT-Thread/rt-thread,hezlog/rt-thread,geniusgogo/rt-thread,hezlog/rt-thread,geniusgogo/rt-thread,nongxiaoming/rt-thread,hezlog/rt-thread,hezlog/rt-thread,geniusgogo/rt-thread,RT-Thread/rt-thread,hezlog/rt-thread,hezlog/rt-thread,RT-Thread/rt-thread,nongxiaoming/rt-thread,RT-Thread/rt-thread,RT-Thread/rt-thread,nongxiaoming/rt-thread,geniusgogo/rt-thread,geniusgogo/rt-thread,RT-Thread/rt-thread,RT-Thread/rt-thread,nongxiaoming/rt-thread