The scheduler PMD needs 1 session header,
along with a session per worker.
After the session rework, this change was made to other apps,
for example l2fwd-crypto, but was missed in test-crypto-perf.
Fixes: bdce2564dbf7 ("cryptodev: rework session framework")
Signed-off-by: Ciara Power <ciara.power@intel.com>
Acked-by: Akhil Goyal <gakhil@marvell.com>