[RFA] NEWS: Announce ppc-lynx178 support.

[Eli Zaretskii]

> From: Joel Brobecker <brobecker@adacore.com>
> Cc: Joel Brobecker <brobecker@adacore.com>
> Date: Tue, 18 Dec 2012 19:59:14 +0400
> 
> This patch adds a NEWS entry announcing support for ppc-lynx178.
> 
> gdb/ChangeLog:
> 
>         * NEWS: Add entry announcing ppc-lynx178 support.
> 
> OK to apply?

Yes, of course.  I think such changes should be treated as obvious.

Thanks.