hw/pcspk: use explicitly the required PIT types Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-ID: <20251021090317.425409-5-marcandre.lureau@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>