example: pktio: adding helper cmd line parsing
example: pktio: adding helper cmd line parsing

pktio now calls the helper command line parsing so that helper
can collect its options. Hence enabling process mode run.

Signed-off-by: Christophe Milard <99616a981fa4477cda708a70f78076761c0c9f1c@linaro.org>
Reviewed-by: Brian Brooks <8e906ed46ccdc37d68771658f0f8f8740a374927@linaro.org>
Signed-off-by: Maxim Uvarov <db4d16e02ae2d7493db430203537da8b2e34f290@linaro.org>

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