[PATCH 2/2] app/graph: fix build reason

[Tyler Retzlaff]

On Wed, Jan 31, 2024 at 06:45:52PM +0100, David Marchand wrote:
> When a component is disabled, the reason meson variable must be set to
> provide an explanation why.
> 
> Since epoll is a Linux thing, report that the graph application is only
> supported on Linux.
> 
> Fixes: 5b21ffb23308 ("app/graph: add CLI framework")
> Cc: stable at dpdk.org
> 
> Signed-off-by: David Marchand <david.marchand at redhat.com>
> ---

Acked-by: Tyler Retzlaff <roretzla at linux.microsoft.com>