* Adding GpioPin

* adjusting based on PR feedback

* Adjusting to have natively drivers.

* make methods virtual

* adding Toggle to System.Device drivers

* Board and Mcp23xxx adjustments

* adding FT4222, FT232H and Pcx857x

* adding Arduino and Seasaw

* adjsting file encoding after conflict merge

* Adding missing Toggle implementation in Arduino native

* Adjusting test for new pattern with GpioPin

* adjusting PR feedback

* typo in test

* fixing nit

* fixing test

* fixing test