scsi: target: Fix two format specifiers

Use format specifier '%u' to format the u32 data type instead of '%hu'.

Link: https://lore.kernel.org/r/20210415220826.29438-19-bvanassche@acm.org


Cc: Mike Christie <michael.christie@oracle.com>
Reviewed-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>