Currently, there's no return status check from lcore's jobs.
In case of fail - crypto-perf tool returns success anyway.
This patch adds such a detection and returns proper status at the end.
Fixes: ce8af1a4398d ("app/crypto-perf: wait for cores launched by app")
Cc: stable@dpdk.org
Signed-off-by: Tomasz Jozwiak <tjozwiakgm@gmail.com>
Acked-by: Akhil Goyal <akhil.goyal@nxp.com>