Allow debug kernels for ppc64

[Kyle McMartin]

On Tue, Oct 21, 2008 at 08:57:27AM -0400, Josh Boyer wrote:
> While I'm certainly not advocating for building them normally,
> it would be handy to actually be able to build a debug kernel
> for ppc64 from time to time.  I had to make the following
> changes for this to work (outside of adding ppc64 to the arch
> list for debug kernels in kernel.spec).
> 
> Anyone have a problem with me committing this?
> 

Gopher it.

regards, Kyle