4630 clean stale references to ddi_iopb_alloc and ddi_iopb_free
4634 undocument scsi_hba_attach() and ddi_dma_lim(9s)

*** 97,109 ****
          /*
           * If scsi_slave is used to probe out this device, a scsi_inquiry data
           * structure will be allocated and an INQUIRY command will be run to
           * fill it in.
           *
-          * The allocation will be done via ddi_iopb_alloc, so any manual
-          * freeing may be done by ddi_iopb_free.
-          *
           * The inquiry data is allocated/refreshed by scsi_probe/scsi_slave
           * and freed by uninitchild (inquiry data is no longer freed by
           * scsi_unprobe/scsi_unslave).
           *
           * NOTE: Additional device identity information may be available
--- 97,106 ----