Combined, the dpdk and dpdk-advanced installation documents provide a
lot of useful information, but most of this information is unrelated to
installation. Rework these documents, completely breaking up the
dpdk-advanced document into multiple smaller documents in other sections
and moving non-install aspects of the dpdk document into these sections.
This aims to tie the DPDK docs into the documentation structure.
Signed-off-by: Stephen Finucane <stephen@that.guru>
Signed-off-by: Ben Pfaff <blp@ovn.org>