[SCSI] bsg: fix unused variable warnings for BLK_DEV_BSG=n

Just using #defines for the
bsg_register_queue()/bsg_unregister_queue() can cause undefined
variables when they're defined to nothing.  Use dummy inline functions
instead.

Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
1 file changed