[kernel] powerpc/powernv/npu: Remove unused headers and a macro.

[Michael Ellerman]

On Fri, 2018-09-28 at 06:48:25 UTC, Alexey Kardashevskiy wrote:
> The macro and few headers are not used so remove them.
> 
> Signed-off-by: Alexey Kardashevskiy <aik at ozlabs.ru>
> Acked-by: Alistair Popple <alistair at popple.id.au>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/fa1ada78897f282917594ba8eba220

cheers