[ECOS] missing include files

[Dave Airlie]

devs/serial/generic/16x5x/current/src/ser_16x5x.c
io/serial/current/src/common/serial.c

are both missing a #include 

#include <cyg/infra/cyg_ass.h>

Dave.

-- 
      David Airlie, Software Engineer, Parthus Technologies plc.,
       Mary Rosse Centre, National Tech Park, Limerick, Ireland.
   t: +353-61-508116 / f: +353-61-508101 / David.Airlie@parthus.com