docs: Address TODO
docs: Address TODO

We now have good documentation on the PCI NUMA affinity policies
(thanks, artom!) so we can close out this TODO. Hurrah!

Change-Id: I4e6402bd192ea0d2efb26b52a7ceb65d924ec928
Signed-off-by: Stephen Finucane <4725dc7f3632bf126d9fbdc30c347e91e8d2fe16@redhat.com>

mahak/nova,openstack/nova,mahak/nova,openstack/nova,mahak/nova,openstack/nova