powerpc/mm: Rename table dump file name

[Michael Ellerman]

On Tue, 2017-04-18 at 06:20:15 UTC, Christophe Leroy wrote:
> Page table dump debugfs file is named 'kernel_page_tables' on
> all other architectures implementing it, while is is named
> 'kernel_pagetables' on powerpc. This patch renames it.
> 
> Signed-off-by: Christophe Leroy <christophe.leroy at c-s.fr>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/ec95e15862e31f8dfb6218ca111548

cheers