qtpy: add pin for neopixels

Makefile

@@ -336,7 +336,7 @@ smoketest:
 	@$(MD5SUM) test.hex
 	$(TINYGO) build -size short -o test.hex -target=itsybitsy-nrf52840  examples/blinky1
 	@$(MD5SUM) test.hex
-	$(TINYGO) build -size short -o test.hex -target=qtpy  				examples/blinky1
+	$(TINYGO) build -size short -o test.hex -target=qtpy                examples/serial
 	@$(MD5SUM) test.hex
 	$(TINYGO) build -size short -o test.hex -target=teensy40            examples/blinky1
 	@$(MD5SUM) test.hex

src/machine/board_qtpy.go

@@ -42,7 +42,8 @@ const (
 )
 
 const (
-	LED = D13
+	NEOPIXELS       = D11
+	NEOPIXELS_POWER = D12
 )
 
 // USBCDC pins