Pin HAL to break dependency of drivers from TinyGo's machine package

pin_generic.go

@@ -0,0 +1,18 @@
+//go:build !tinygo
+
+// Generic no-op implementations of SafePin, SafePinInput and SafePinOutput.
+// It's custom implementation's responsibility to configure the pin modes correctly when needed.
+
+package drivers
+
+func SafePinInput(pin PinInput) PinInput {
+	return pin
+}
+
+func SafePinOutput(pin PinOutput) PinOutput {
+	return pin
+}
+
+func SafePin(pin Pin) Pin {
+	return pin
+}