ipack: convert bus code to use dev_groups
ipack: convert bus code to use dev_groups

The dev_attrs field of struct bus_type is going away soon, dev_groups
should be used instead.  This converts the ipack bus code to use the
correct field.

Acked-by: Samuel Iglesias Gonsalvez <b753b212f30aed827c3eea2e437609dc37310153@igalia.com>
Cc: Jens Taprogge <bb1f43a05c1250aec6a77be6800731ef34963e99@taprogge.org>
Cc: <c06e34803be0cdebed81c08020eef29db958bab9@lists.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@linuxfoundation.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs