merging from upstream 13bb82a and b89e420

4849 strlcpy(9F) points to the wrong header
Reviewed by: Robert Mustacchi <rm@joyent.com>
Reviewed by: Igor Kozhukhov <ikozhukhov@gmail.com>
Approved by: Richard Lowe <richlowe@richlowe.net>

4630 clean stale references to ddi_iopb_alloc and ddi_iopb_free
4634 undocument scsi_hba_attach() and ddi_dma_lim(9s)
4884 EOF scsi_hba_attach
4886 EOF ddi_dmae_getlim
4887 EOF ddi_iomin
4888 Undocument dma_req(9s)
Reviewed by: Dan McDonald <danmcd@omniti.com>
Approved by: Robert Mustacchi <rm@joyent.com>

removed:
usr/src/man/man9f/ddi_iomin.9f
usr/src/man/man9s/ddi_dma_lim_sparc.9s
usr/src/man/man9s/ddi_dma_lim_x86.9s
usr/src/man/man9s/ddi_dma_req.9s