[PATCH] app/testpmd: fix help of create meter command

[Ferruh Yigit]

On 4/28/2022 3:03 AM, Jin liu wrote:
> 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 at dpdk.org
> 
> Signed-off-by: Jin liu <jin.liu at corigine.com>
> Signed-off-by: Chaoyong He <chaoyong.he at corigine.com>
> Signed-off-by: Niklas Söderlund <niklas.soderlund at corigine.com>

Acked-by: Ferruh Yigit <ferruh.yigit at xilinx.com>

Applied to dpdk-next-net/main, thanks.