ALSA: Add Yamaha KX49 (USB MIDI controller) to usbquirks.h

This patch is for the Yamaha USB MIDI controller KX49.
http://www.yamahasynth.com/products/kx/index.html
It has a 3-port MIDI interface and an HID interface (it has a tiny
keyboard subset).
Signed-off-by: NTakashi Iwai <tiwai@suse.de>
Signed-off-by: NJaroslav Kysela <perex@perex.cz>

sound/usb/usbquirks.h

@@ -210,6 +210,7 @@ YAMAHA_DEVICE(0x1042, NULL),
 YAMAHA_DEVICE(0x1043, NULL),
 YAMAHA_DEVICE(0x1044, NULL),
 YAMAHA_DEVICE(0x1045, NULL),
+YAMAHA_DEVICE(0x104e, "KX49"),
 YAMAHA_DEVICE(0x2000, "DGP-7"),
 YAMAHA_DEVICE(0x2001, "DGP-5"),
 YAMAHA_DEVICE(0x2002, NULL),