[PATCH] doc: announce deprecation of cmdline_poll

[Stephen Hemminger]

On Tue, 14 Mar 2023 10:18:58 -0700
Stephen Hemminger <stephen at networkplumber.org> wrote:

> Function was added by commit 067855e651d6 ("cmdline: add polling mode")
> but never tested or used by DPDK applications. Mark it for
> future removal.
> 
> Signed-off-by: Stephen Hemminger <stephen at networkplumber.org>

FYI - checked and none of the DPDK projects on github are using this API.
I.e Vpp, yastack, Trex, ANS, BESS, conntrail, ...