[1/4] powerpc: Move core kernel logic into arch/powerpc/Kbuild

[Michael Ellerman]

On Wed, 2018-10-10 at 05:13:05 UTC, Michael Ellerman wrote:
> This is a nice cleanup, arch/powerpc/Makefile is long and messy so
> moving this out helps a little.
> 
> It also allows us to do:
> 
>   $ make arch/powerpc
> 
> Which can be helpful if you just want to compile test some changes to
> arch code and not link everything.
> 
> Finally it also gives us a single place to do subdir-cc-flags
> assignments which affect the whole of arch/powerpc, which we will do
> in a future patch.
> 
> Signed-off-by: Michael Ellerman <mpe at ellerman.id.au>

Applied to powerpc next.

https://git.kernel.org/powerpc/c/c47ca98d32a22a412ddbc69916cf62

cheers