scsi: libsas: Remove scsi_to_u32()

Since the function scsi_to_u32() is identical to get_unaligned_be32(),
change all scsi_to_u32() calls into get_unaligned_be32() calls.

Cc: Jian Luo <luojian5@huawei.com>
Cc: John Garry <john.garry@huawei.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: John Garry <john.garry@huawei.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

include/scsi/scsi.h

@@ -274,10 +274,4 @@ static inline int scsi_is_wlun(u64 lun)
 /* Used to obtain the PCI location of a device */
 #define SCSI_IOCTL_GET_PCI		0x5387
 
-/* Pull a u32 out of a SCSI message (using BE SCSI conventions) */
-static inline __u32 scsi_to_u32(__u8 *ptr)
-{
-	return (ptr[0]<<24) + (ptr[1]<<16) + (ptr[2]<<8) + ptr[3];
-}
-
 #endif /* _SCSI_SCSI_H */