Fix the bug with the UART configure logic suspected in pull #506
Fix the bug with the UART configure logic suspected in pull #506

nightrune/ola,nightrune/ola,ld3300/ola,ld3300/ola,ld3300/ola,nightrune/ola,nightrune/ola,ld3300/ola,nightrune/ola,nightrune/ola,nightrune/ola,ld3300/ola,ld3300/ola,ld3300/ola