59da82ef Thu Jul 14 07:40:03 CDT 2016 Michal Simek <michal.simek@xilinx.com> serial: zynq: Read information about clock from DT
Read information about clock frequency from DT.
Signed-off-by: Michal Simek <michal.simek@xilinx.com> Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: Moritz Fischer <moritz.fischer@ettus.com>