Add two parameters to testpmd:
--print-event <event name>
--mask-event <event name>
To enable or disable to printing of events. This display is configured
on a per-event basis. By default, all except VF_MBOX are displayed.
Fixes: 76ad4a2d82d4 ("app/testpmd: add generic event handler")
Signed-off-by: Gaetan Rivet <gaetan.rivet@6wind.com>
Acked-by: Jingjing Wu <jingjing.wu@intel.com>