Remove unused ARM PrimeCell PL011 UART0
Remove unused ARM PrimeCell PL011 UART0

UIKit0/mini-arm-os,chianwei123/mini-arm-os,Eddy0402/mini-arm-os,arnochiu/mini-arm-os,tz70s/mini-arm-os,tony0620emma/mini-arm-os,arnochiu/mini-arm-os,xingularity/mini-arm-os,Jumbo88888/mini-arm-os,robixnai/mini-arm-os,JaredCJR/mini-arm-os,UIKit0/mini-arm-os,Neal-liu/mini-arm-os,Eddy0402/mini-arm-os,ChihMin/mini-arm-os,CarterTsai/mini-arm-os,JaredCJR/mini-arm-os,robixnai/mini-arm-os,tz70s/mini-arm-os,chianwei123/mini-arm-os,coldnew/mini-arm-os,LeaYeh/mini-arm-os,tony0620emma/mini-arm-os,schwarmcyc/mini-arm-os,charles620016/mini-arm-os,ChihMin/mini-arm-os,SwimGlass/armMimiOs,Neal-liu/mini-arm-os