[PATCH] powerpc: Add 83xx and 86xx to 6xx Multiplatform

[Scott Wood]

On Fri, Jun 27, 2008 at 11:36:36AM -0500, Kumar Gala wrote:
> There isn't any reason at this point that we can't build 83xx & 86xx support
> in with the other 6xx based boards.  Twiddle the Kconfigs to allow this.

Likewise with 82xx -- why don't we just get rid of the "Machine type"
choice, and turn them all into bools?

At the very least, change the misleading prompt and help text of
PPC_MULTIPLATFORM before expanding the set of platforms that hide behind
it.

-Scott