[SCSI] scsi_devinfo: update Hitachi entries (v2)

Four models, OPEN-/DF400/DF500/DISK-SUBSYSTEM, can handle REPORT_LUN,
and the BLIST_REPORTLUN2 flag needs to be set. And DF600 doesn't require
any flags because it returns ANSI 03h (SPC).

Signed-off-by: Takahiro Yasui <tyasui@redhat.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>