- cleaned up rx_timer() (raw serial support doesn't need the select function
- cleaned up rx_timer() (raw serial support doesn't need the select function

dariaphoebe/bochs,dbrashear/bochs,dbrashear/bochs,dariaphoebe/bochs,dbrashear/bochs,dariaphoebe/bochs,dbrashear/bochs,dbrashear/bochs,dariaphoebe/bochs,dariaphoebe/bochs