[RFA] update NEWS and MAINTAINERS for avr.

[Andrew Cagney]

> Hi,
> 
> I never got a response on this. I just wanted to know if I should word 
> this differently:
> 
> 
>>+*** Changes since GDB 5.2:
> 
> 
> This patch is for the 5.2 branch. I might not have made that clear before.
> 
> I'm still sitting on this and if I don't get an approval by tuesday it
> will have to wait a week or two while I move across country. ;-)

Sorry, yes.  Any maintainer can update NEWS (given no one commented, I'd 
assume everyone is ok), and yes you should be mentioned as maintainer.

Andrew