test: ipc pktio use /dev/shm instead of tmp
test: ipc pktio use /dev/shm instead of tmp

Signed-off-by: Maxim Uvarov <db4d16e02ae2d7493db430203537da8b2e34f290@linaro.org>
Reviewed-and-tested-by: Bill Fischofer <52f3c909d51cc5d355a68a403df6906b3c1a8f83@linaro.org>

dkrot/odp,dkrot/odp,dkrot/odp,dkrot/odp