feature: some additional changes to drivers.Pin HAL for clarity and readability.

Signed-off-by: deadprogram <ron@hybridgroup.com>

max6675/max6675.go

@@ -5,7 +5,6 @@ import (
 	"errors"
 
 	"tinygo.org/x/drivers"
-	"tinygo.org/x/drivers/internal/pin"
 )
 
 // ErrThermocoupleOpen is returned when the thermocouple input is open.
@@ -14,13 +13,13 @@ var ErrThermocoupleOpen = errors.New("thermocouple input open")
 
 type Device struct {
 	bus drivers.SPI
-	cs  drivers.PinOutput
+	cs  drivers.PinOutputFunc
 }
 
 // Create a new Device to read from a MAX6675 thermocouple.
 // Pins must be configured before use.  Frequency for SPI
 // should be 4.3MHz maximum.
-func NewDevice(bus drivers.SPI, cs pin.Output) *Device {
+func NewDevice(bus drivers.SPI, cs drivers.PinOutput) *Device {
 	return &Device{
 		bus: bus,
 		cs:  cs.Set,