hpsa: Change SAS transport devices to bus 0.

SAS transport places devices on bus 0 but driver was setting the bus to
3.
Reviewed-by: NJustin Lindley <justin.lindley@pmcs.com>
Reviewed-by: NKevin Barnett <kevin.barnett@pmcs.com>
Reviewed-by: NScott Teel <scott.teel@pmcs.com>
Reviewed-by: NMatthew R. Ochs <mrochs@linux.vnet.ibm.com>
Reviewed-by: NHannes Reinecke <hare@suse.com>
Signed-off-by: NDon Brace <don.brace@pmcs.com>
Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/hpsa.h

@@ -400,7 +400,7 @@ struct offline_device_entry {
 #define HPSA_PHYSICAL_DEVICE_BUS	0
 #define HPSA_RAID_VOLUME_BUS		1
 #define HPSA_EXTERNAL_RAID_VOLUME_BUS	2
-#define HPSA_HBA_BUS			3
+#define HPSA_HBA_BUS			0
 
 /*
 	Send the command to the hardware