ALSA: usb-audio: Add VID to support native DSD reproduction on FiiO devices

Add VID to support native DSD reproduction on FiiO devices.
Tested-by: NAmadej Kastelic <amadejkastelic7@gmail.com>
Signed-off-by: NEmilio Moretti <emilio.moretti@gmail.com>
Signed-off-by: NAmadej Kastelic <amadejkastelic7@gmail.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/X9j7wdXSr4XyK7Bd@ryzen.localdomainSigned-off-by: NTakashi Iwai <tiwai@suse.de>

sound/usb/quirks.c

@@ -1771,6 +1771,7 @@ u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip,
 	case 0x25ce:  /* Mytek devices */
 	case 0x278b:  /* Rotel? */
 	case 0x292b:  /* Gustard/Ess based devices */
+	case 0x2972:  /* FiiO devices */
 	case 0x2ab6:  /* T+A devices */
 	case 0x3353:  /* Khadas devices */
 	case 0x3842:  /* EVGA */