config/wscons: Always attach the "ws" driver for pointer devices,

rather than "mouse".

Both OpenBSD and NetBSD (the only downstream users of this code)
are both patching in this currently.

Signed-off-by: Nia Alarie <nia@NetBSD.org>
4 jobs for netbsd-wscons in 2 minutes and 41 seconds (queued for 1 second)