travis: add netmap pktio tests
travis: add netmap pktio tests

previusly we missed running tests under root, so we did not
run pktio afpacket mmap and dpdk and tests based on veth.
Netmap also requires root to bing up virtual interfaces.

Signed-off-by: Maxim Uvarov <db4d16e02ae2d7493db430203537da8b2e34f290@linaro.org>
Reviewed-by: Mike Holmes <ed44c09f4d7f698f5510adc894a872c73e08c8bd@linaro.org>

ravineet-singh/odp,dkrot/odp,dkrot/odp,dkrot/odp,nmorey/odp,ravineet-singh/odp,mike-holmes-linaro/odp,nmorey/odp,erachmi/odp,dkrot/odp,nmorey/odp,erachmi/odp,mike-holmes-linaro/odp,ravineet-singh/odp,mike-holmes-linaro/odp,erachmi/odp,mike-holmes-linaro/odp,erachmi/odp,ravineet-singh/odp,nmorey/odp