uart.c contains a static conversion function that will translate known baud rates into their speed_t counter parts. If an unsupported baud rate is selected, a diagnostic will be emitted via syslog and a default of B9600 will be chosen. Signed-off-by: Jon Trulson <jtrulson@ics.com> Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>