dpdk: Update to use DPDK 19.11.

dpdk: Update to use DPDK 19.11.

This commit adds support for DPDK v19.11, it includes the following
changes.

1. travis: Enable compilation and linkage with dpdk 19.11.

2. sparse: Remove dpdk network headers copies.

   https://patchwork.ozlabs.org/patch/1185256/

3. dpdk: Migrate to new PDUMP API.

   https://patchwork.ozlabs.org/patch/1192971/

4. netdev-dpdk: Prefix network structures with rte_.

   https://patchwork.ozlabs.org/patch/1109733/

5. netdev-dpdk: Update by new color definitions.

   https://patchwork.ozlabs.org/patch/1086089/

6. docs: Update docs to reference 19.11.

7. docs: Add note regarding hotplug and igb_uio requirements.

For credit all authors of the original commits to 'dpdk-latest' with the
above changes been added as co-authors for this commmit.

Signed-off-by: David Marchand <david.marchand@redhat.com>
Co-authored-by: David Marchand <david.marchand@redhat.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
Co-authored-by: Ilya Maximets <i.maximets@ovn.org>
Signed-off-by: Ophir Munk <ophirmu@mellanox.com>
Co-authored-by: Ophir Munk <ophirmu@mellanox.com>
Reviewed-by: David Marchand <david.marchand@redhat.com>
Acked-by: Ilya Maximets <i.maximets@ovn.org>
Acked-by: Kevin Traynor <ktraynor@redhat.com>
Signed-off-by: Ian Stokes <ian.stokes@intel.com>