[update] Adjust C++11 Kconfig option name
[update] Adjust C++11 Kconfig option name

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