scsi: mpi3mr: Fix some kernel-doc warnings in scsi_bsg_mpi3mr.h

Correct the name of a struct in kernel-doc to match the actual function
name.

Add kernel-doc comments for 2 reserved fields to match comments for other
reserved fields.

Correct the kernel-doc comments for a nested struct to eliminate kernel-doc
warnings for them.

Warnings fixed here are:

scsi_bsg_mpi3mr.h:419: warning: expecting prototype for struct mpi3mr_bsg_buf_entry_list. Prototype was for struct mpi3mr_buf_entry_list instead

scsi_bsg_mpi3mr.h:435: warning: Function parameter or struct member 'rsvd2' not described in 'mpi3mr_bsg_mptcmd'
scsi_bsg_mpi3mr.h:456: warning: Function parameter or struct member 'rsvd3' not described in 'mpi3mr_bsg_packet'

scsi_bsg_mpi3mr.h:456: warning: Excess struct member 'drvrcmd' description in 'mpi3mr_bsg_packet'
scsi_bsg_mpi3mr.h:456: warning: Excess struct member 'mptcmd' description in 'mpi3mr_bsg_packet'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20240424055322.1400-1-rdunlap@infradead.org
Cc: James E.J. Bottomley <James.Bottomley@HansenPartnership.com>
Cc: Martin K. Petersen <martin.petersen@oracle.com>
Cc: Sathya Prakash Veerichetty <sathya.prakash@broadcom.com>
Cc: Kashyap Desai <kashyap.desai@broadcom.com>
Cc: Sumit Saxena <sumit.saxena@broadcom.com>
Cc: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Cc: mpi3mr-linuxdrv.pdl@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

include/uapi/scsi/scsi_bsg_mpi3mr.h

@@ -401,7 +401,7 @@ struct mpi3mr_buf_entry {
 	__u32	buf_len;
 };
 /**
- * struct mpi3mr_bsg_buf_entry_list - list of user buffer
+ * struct mpi3mr_buf_entry_list - list of user buffer
  * descriptor for MPI Passthrough requests.
  *
  * @num_of_entries: Number of buffer descriptors
@@ -424,6 +424,7 @@ struct mpi3mr_buf_entry_list {
  * @mrioc_id: Controller ID
  * @rsvd1: Reserved
  * @timeout: MPI request timeout
+ * @rsvd2: Reserved
  * @buf_entry_list: Buffer descriptor list
  */
 struct mpi3mr_bsg_mptcmd {
@@ -441,8 +442,9 @@ struct mpi3mr_bsg_mptcmd {
  * @cmd_type: represents drvrcmd or mptcmd
  * @rsvd1: Reserved
  * @rsvd2: Reserved
- * @drvrcmd: driver request structure
- * @mptcmd: mpt request structure
+ * @rsvd3: Reserved
+ * @cmd.drvrcmd: driver request structure
+ * @cmd.mptcmd: mpt request structure
  */
 struct mpi3mr_bsg_packet {
 	__u8	cmd_type;