Merge ppc port into jdk7u-dev

[Andrew Haley]

On 22/07/16 09:35, Lindenmaier, Goetz wrote:
> Hmm, I would not consider the original port broken, it's what we used
> productive for several years before. 
> Sure the code that exists now has some issues fixed (7 I think), but that's only 
> the normal continuous bugfixing you have in any product.

OK, so this is what must happen.  The port itself comes in as a clean
patch which builds and runs.  Subsequent patches come in on top of
that.  I hope that will suit everyone.

Andrew.