[SCSI] dpt: whitespace cleanup

Remove some trailing whitespaces and some replace whitespaces with tabs.
Signed-off-by: NHenrik Kretzschmar <henne@nachtwindheim.de>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Acked-by: N"Salyzyn, Mark" <mark_salyzyn@adaptec.com>
Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>