ALSA: ua101: constify usb_device_id.

usb_device_id are not supposed to change at runtime. All functions
working with usb_device_id provided by <linux/usb.h> work with
const usb_device_id. So mark the non-const structs as const.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/usb/misc/ua101.c

@@ -1366,7 +1366,7 @@ static void ua101_disconnect(struct usb_interface *interface)
 	mutex_unlock(&devices_mutex);
 }
 
-static struct usb_device_id ua101_ids[] = {
+static const struct usb_device_id ua101_ids[] = {
 	{ USB_DEVICE(0x0582, 0x0044) }, /* UA-1000 high speed */
 	{ USB_DEVICE(0x0582, 0x007d) }, /* UA-101 high speed */
 	{ USB_DEVICE(0x0582, 0x008d) }, /* UA-101 full speed */