Updates comments in TovaGPIO and makes the static instance_ variables private to force going through the objects in HwInit. Those are presumed to be initialized.
Updates comments in TovaGPIO and makes the static instance_ variables private to force going through the objects in HwInit. Those are presumed to be initialized.

bakerstu/openmrn,bakerstu/openmrn,bakerstu/openmrn,bakerstu/openmrn,bakerstu/openmrn,bakerstu/openmrn