imx7dpico has a BCM4339 Wifi chip. Add Wifi support by default to allow a better customer experience. Signed-off-by: Joris Offouga <offougajoris@gmail.com> Reviewed-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be> Tested-by: Pierre-Jean Texier <pjtexier@koncepto.io> Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>