[ALSA] Revolution 5.1 - register the AK5365 ADC with ALSA

Enable capture support for the M-Audio Revolution 5.1 card,
by registering the ADC with ALSA.

Signed-off-by: Jochen Voss <voss@seehuhn.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>