Hello world for industrial series microcontroller Nuvoton MS51FB9AE.

BSP downloaded from:: https://github.com/OpenNuvoton/MS51BSP_KEIL

Official docs: https://www.nuvoton.com/products/microcontrollers/8bit-8051-mcus/industrial-8051-series/ms51fb9ae/

NOT USED ANY MORE! Code generator for MS51 Nuvoton chip: http:https://vidieukhien.org/code/ms51/uart0