[RFA/doco 2/4] gdb/NEWS: Document that GDB now supports DWARF-based fixed point types

[Joel Brobecker]

> > gdb/ChangeLog:
> > 
> >         * NEWS: Add entry documenting support for DWARF-based fixed
> >         point types.
> 
> Thanks, this is OK.

Thank ou Eli. Pushed to master.

-- 
Joel