The configuration value indicating that KNI was build was incorrect,
causing the driver to never be built.
Fixes: 3479586fe636 ("net/kni: add to meson build")
Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Acked-by: Hemant Agrawal <hemant.agrawal@nxp.com>
Acked-by: Ferruh Yigit <ferruh.yigit@intel.com>