ALSA: Remove old DMA-mmap code from arm/devdma.c

The call of dma_mmap_coherent() is done in the PCM core now.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/arm/Makefile b/sound/arm/Makefile
index 5a549ed..8c0c851 100644
--- a/sound/arm/Makefile
+++ b/sound/arm/Makefile
@@ -3,7 +3,7 @@
 #
 
 obj-$(CONFIG_SND_ARMAACI)	+= snd-aaci.o
-snd-aaci-objs			:= aaci.o devdma.o
+snd-aaci-objs			:= aaci.o
 
 obj-$(CONFIG_SND_PXA2XX_PCM)	+= snd-pxa2xx-pcm.o
 snd-pxa2xx-pcm-objs		:= pxa2xx-pcm.o