Implement the kernel_has_driver() method for NetBSD.

This has the benefit of stopping the "vesa" driver from loading on
hardware that has been claimed by a kernel driver and thus shouldn't
be using "vesa".

Reviewed-by: Matthieu Herrb <matthieu@herrb.eu>
Signed-off-by: Thomas Klausner <wiz@NetBSD.org>
1 file changed