4.5 release notes for target-specific improvements

[Gerald Pfeifer]

On Tue, 8 Dec 2009, Joseph S. Myers wrote:
> I've applied this patch to add 4.5 release notes for various 
> target-specific improvements for ARM, M68K/ColdFire, MIPS and PowerPC.  

Very nice, thanks a lot, Joseph!

> I'm sure there are more such improvements, both for these targets and 
> for other targets; target maintainers need to look at changes for their 
> targets and add release notes as appropriate.

Ping. :-)

Gerald