ALSA: bebob: code refactoring for model-dependent quirks

This commit adds enumeration and structure member as code refactoring
regarding to model-dependent quirks.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Link: https://lore.kernel.org/r/20210611035003.26852-4-o-takashi@sakamocchi.jp


Signed-off-by: Takashi Iwai <tiwai@suse.de>