This addresses the following gcc warning with "make W=1":
not used [-Wunused-but-set-variable]
  struct lpfc_sli4_hdw_queue *qp;
                                ^
Link: https://lore.kernel.org/r/20200909082716.37787-1-yebin10@huawei.com
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Ye Bin <yebin10@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
drivers/scsi/lpfc/lpfc_debugfs.c: In function ‘lpfc_debugfs_hdwqstat_data’:
drivers/scsi/lpfc/lpfc_debugfs.c:1699:30: warning: variable ‘qp’ set but
 lpfc_debugfs_hdwqstat_data(struct lpfc_vport *vport, char *buf, int size)
 {
        struct lpfc_hba   *phba = vport->phba;
-       struct lpfc_sli4_hdw_queue *qp;
        struct lpfc_hdwq_stat *c_stat;
        int i, j, len;
        uint32_t tot_xmt;
                goto buffer_done;
 
        for (i = 0; i < phba->cfg_hdw_queue; i++) {
-               qp = &phba->sli4_hba.hdwq[i];
-
                tot_rcv = 0;
                tot_xmt = 0;
                tot_cmpl = 0;