ALSA: usb-audio: tidy up the AF16Rig quirks

ALSA: usb-audio: tidy up the AF16Rig quirks

Use macros to make the AF16Rig quirk table smaller.

Add a disabled block containing the theoretical quirks for the other
clock sources that the AF16Rig has. It's disabled because I cannot test
it.

Fixes: 0da18c2dd1cc ("ALSA: usb-audio: Add quirks for Arturia AF16Rig")
Tested-By: Phil Willoughby <willerz@gmail.com>
Signed-off-by: Phil Willoughby <willerz@gmail.com>
Link: https://patch.msgid.link/20260328160326.23665-1-willerz@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>