Enable boot_vga support only if WSDISPLAYIO_GET_BUSID is defined.

Fixes build on NetBSD-5.

Signed-off-by: Thomas Klausner <wiz@NetBSD.org>
Reviewed-by: Matthieu Herrb <matthieu.herrb@laas.fr>
Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
1 file changed