ALSA: usb-audio: Add endianness annotations

Fixes: 4b8ea38f ("ALSA: usb-audio: Support jack detection on Dell dock")
Reported-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/r/202207051932.qUilU0am-lkp@intel.comSigned-off-by: Jan Schär <jan@jschaer.ch>
Link: https://lore.kernel.org/r/20220705135746.13713-1-jan@jschaer.chSigned-off-by: Takashi Iwai <tiwai@suse.de>

sound/usb/mixer_quirks.c

@@ -1967,7 +1967,7 @@ static int snd_soundblaster_e1_switch_create(struct usb_mixer_interface *mixer)
 static int realtek_hda_set(struct snd_usb_audio *chip, u32 cmd)
 {
 	struct usb_device *dev = chip->dev;
-	u32 buf = cpu_to_be32(cmd);
+	__be32 buf = cpu_to_be32(cmd);
 
 	return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), REALTEK_HDA_SET,
 			       USB_RECIP_DEVICE | USB_TYPE_VENDOR | USB_DIR_OUT,
@@ -1978,7 +1978,7 @@ static int realtek_hda_get(struct snd_usb_audio *chip, u32 cmd, u32 *value)
 {
 	struct usb_device *dev = chip->dev;
 	int err;
-	u32 buf = cpu_to_be32(cmd);
+	__be32 buf = cpu_to_be32(cmd);
 
 	err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), REALTEK_HDA_GET_OUT,
 			      USB_RECIP_DEVICE | USB_TYPE_VENDOR | USB_DIR_OUT,