hw/audio/virtio-snd: Always use little endian audio format

The VIRTIO Sound Device conforms with the Virtio spec v1.2,
thus only use little endianness.

Remove the suspicious target_words_bigendian() noticed during
code review.

Cc: [email protected]
Fixes: eb9ad37 ("virtio-sound: handle control messages and streams")
Signed-off-by: Philippe Mathieu-Daudé <[email protected]>
Reviewed-by: Michael S. Tsirkin <[email protected]>
Message-Id: <[email protected]>
(cherry picked from commit a276ec8)
Signed-off-by: Michael Tokarev <[email protected]>

Author: philmd

hw/audio/virtio-snd.c

@@ -401,7 +401,7 @@ static void virtio_snd_get_qemu_audsettings(audsettings *as,
     as->nchannels = MIN(AUDIO_MAX_CHANNELS, params->channels);
     as->fmt = virtio_snd_get_qemu_format(params->format);
     as->freq = virtio_snd_get_qemu_freq(params->rate);
-    as->endianness = target_words_bigendian() ? 1 : 0;
+    as->endianness = 0; /* Conforming to VIRTIO 1.0: always little endian. */
 }
 
 /*