The help message of create meter command is incomplete,
lack of policy_id param, update help string.
Fixes: f29fa2c59b85 ("app/testpmd: support policy actions per color")
Cc: stable@dpdk.org
Signed-off-by: Jin Liu <jin.liu@corigine.com>
Signed-off-by: Chaoyong He <chaoyong.he@corigine.com>
Signed-off-by: Niklas Söderlund <niklas.soderlund@corigine.com>
Acked-by: Ferruh Yigit <ferruh.yigit@xilinx.com>