scsi: aacraid: Get correct lun count

The correct lun count needs to be divided by 24, missed it in the
previous patch set.

Fixes: 4b000227 (scsi: aacraid: Create helper functions to get lun info)
Signed-off-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/aacraid/aachba.c

@@ -1865,7 +1865,7 @@ static int aac_get_safw_ciss_luns(struct aac_dev *dev)
 
 static inline u32 aac_get_safw_phys_lun_count(struct aac_dev *dev)
 {
-	return get_unaligned_be32(&dev->safw_phys_luns->list_length[0]);
+	return get_unaligned_be32(&dev->safw_phys_luns->list_length[0])/24;
 }
 
 static inline u32 aac_get_safw_phys_bus(struct aac_dev *dev, int lun)