docs: update -soundhw -> -device list

(note: I wonder if pcspk was really an option when -soundhw was
available, since it was not user-creatable)

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-ID: <20251021090317.425409-8-marcandre.lureau@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
1 file changed