[PATCH] powerpc/powernv: Fix powernv Kconfig dependencies

[Anshuman Khandual]

On 04/10/2017 10:54 AM, Alistair Popple wrote:
> The patch to introduce address translation services for Nvlink2 uses
> MMU notifiers. However usage of MMU notifiers requires a Kconfig
> option which is not selected by default on powerpc so add it to the
> powernv Kconfig.

We would also need this for HMM enablement on powerpc going forward.