ALSA: Add ALSA driver for Atmel AC97 controller

This patch adds ALSA support for the AC97 controller found on Atmel
AVR32 devices.

Tested on ATSTK1006 + ATSTK1000 with a development board with a AC97
codec.

Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/atmel/Makefile b/sound/atmel/Makefile
index c5a8213..219dcfa 100644
--- a/sound/atmel/Makefile
+++ b/sound/atmel/Makefile
@@ -1,3 +1,5 @@
 snd-atmel-abdac-objs		:= abdac.o
+snd-atmel-ac97c-objs		:= ac97c.o
 
 obj-$(CONFIG_SND_ATMEL_ABDAC)	+= snd-atmel-abdac.o
+obj-$(CONFIG_SND_ATMEL_AC97C)	+= snd-atmel-ac97c.o