Added Files:
   	syssrc/sys/dev/i2o: Makefile files.i2o i2o.h iop.c iopreg.h iopsp.c
   	    iopspvar.h iopvar.h lsu_iop.c
   	syssrc/sys/dev/pci: iop_pci.c
   
   Log Message:
   Add support for I2O adapters and SCSI/FC-AL/BSA class devices. This needs
   more testing with different configurations, and work in a number of areas
   (which I'm not able to do for a little while), but is at least functional
   and stable on i386 with DPT adapters.


do all these headers really need to be installed?


.mrg.