[nvme-4.13 V2] nvme: Implement NS Optimal IO Boundary from 1.3 Spec

[Christoph Hellwig]

On Thu, Jun 15, 2017 at 09:52:52AM -0600, Scott Bauer wrote:
> I need to re-spin this one more time. I forgot to add the 1.3 version check before accessing the
> register here.

NVMe TPs also apply to older versions, so we should be fine without
the check.