[ALSA] usb-audio - rename QUIRK_MIDI_MOTU to QUIRK_MIDI_RAW

USB generic driver
Rename the protocol used by the MOTU FastLane to 'raw' because it might
be useful with other devices, and there are other MOTU interfaces that
do not use this protocol.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
diff --git a/sound/usb/usbquirks.h b/sound/usb/usbquirks.h
index cc2e3c9..ed1eba1 100644
--- a/sound/usb/usbquirks.h
+++ b/sound/usb/usbquirks.h
@@ -1269,7 +1269,7 @@
 		.data = & (const snd_usb_audio_quirk_t[]) {
 			{
 				.ifnum = 0,
-				.type = QUIRK_MIDI_MOTU
+				.type = QUIRK_MIDI_RAW
 			},
 			{
 				.ifnum = 1,