rp2040: usb: reset device address on bus reset

src/machine/machine_rp2040_usb.go

@@ -128,6 +128,8 @@ func handleUSBIRQ(intr interrupt.Interrupt) {
 	// Bus is reset
 	if (status & rp.USBCTRL_REGS_INTS_BUS_RESET) > 0 {
 		rp.USBCTRL_REGS.SIE_STATUS.Set(rp.USBCTRL_REGS_SIE_STATUS_BUS_RESET)
+		rp.USBCTRL_REGS.ADDR_ENDP.Set(0)
+
 		initEndpoint(0, usb.ENDPOINT_TYPE_CONTROL)
 	}
 }