Update to include new ahd_scb_timer_reset API
Update to include new ahd_scb_timer_reset API

Move IOCell paramters into softc and add a hook for the
OSM to modify these as well as other settings prior to
committing them to the chip.

Approved by:	re (blanket)

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase