s390/dasd: fix kernel doc comment

Fix this:

drivers/s390/block/dasd_ioctl.c:666: warning:
 Function parameter or member 'disk' not described in 'dasd_biodasdinfo'
drivers/s390/block/dasd_ioctl.c:666: warning:
 Function parameter or member 'info' not described in 'dasd_biodasdinfo'
Acked-by: Jan Höppner <hoeppner@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Stefan Haberland <sth@linux.ibm.com>
Link: https://lore.kernel.org/r/20211020115124.1735254-3-sth@linux.ibm.comSigned-off-by: Jens Axboe <axboe@kernel.dk>

drivers/s390/block/dasd_ioctl.c

@@ -650,8 +650,8 @@ int dasd_ioctl(struct block_device *bdev, fmode_t mode,
 
 /**
  * dasd_biodasdinfo() - fill out the dasd information structure
- * @disk [in]: pointer to gendisk structure that references a DASD
- * @info [out]: pointer to the dasd_information2_t structure
+ * @disk: [in] pointer to gendisk structure that references a DASD
+ * @info: [out] pointer to the dasd_information2_t structure
  *
  * Provide access to DASD specific information.
  * The gendisk structure is checked if it belongs to the DASD driver by