Meson build system creates a vhost binary but Makefile
and docs reference same as vhost-switch. Updating makefile
to match meson and the docs accordingly.
Signed-off-by: Herakliusz Lipiec <herakliusz.lipiec@intel.com>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>