* Fix building issue of Nuvoton porting. 1. Change thread priority of lwip-tcpip and erx. 2. Remove '')' garbage symbols. 3. mm driver issues. Co-authored-by: Wayne Lin <wclin@nuvoton.com>
1. Add NUC980 Chili board supporting. 2. Correct NuMicro.h including. 3. Implement rt_hw_us_delay system call function. 4. Move board.c to drv_common.c for M480 and M2354 series.