ALSA: usb-audio: Add quirk for KORG PANDORA PX5D MIDI interface

Signed-off-by: Daniel Mack <zonque@gmail.com>
Reported-and-tested-by: Frédéric Jaume <frederic.jaume@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>