[ALSA] isa libs Makefiles cleanup

This patch uses the Kconfig parameters SND_AD1848_LIB and
SND_CS4231_LIB instead of mentioning each driver that requires
the ad1848-lib or cs4231-lib separately in the Makefiles.

Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
diff --git a/sound/isa/cs423x/Makefile b/sound/isa/cs423x/Makefile
index 2fb4f74..7136496 100644
--- a/sound/isa/cs423x/Makefile
+++ b/sound/isa/cs423x/Makefile
@@ -10,17 +10,8 @@
 snd-cs4236-objs := cs4236.o
 
 # Toplevel Module Dependency
-obj-$(CONFIG_SND_AZT2320) += snd-cs4231-lib.o
-obj-$(CONFIG_SND_MIRO) += snd-cs4231-lib.o
-obj-$(CONFIG_SND_OPL3SA2) += snd-cs4231-lib.o
-obj-$(CONFIG_SND_CS4231) += snd-cs4231.o snd-cs4231-lib.o
-obj-$(CONFIG_SND_CS4232) += snd-cs4232.o snd-cs4231-lib.o
-obj-$(CONFIG_SND_CS4236) += snd-cs4236.o snd-cs4236-lib.o snd-cs4231-lib.o
-obj-$(CONFIG_SND_GUSMAX) += snd-cs4231-lib.o
-obj-$(CONFIG_SND_INTERWAVE) += snd-cs4231-lib.o
-obj-$(CONFIG_SND_INTERWAVE_STB) += snd-cs4231-lib.o
-obj-$(CONFIG_SND_OPTI92X_CS4231) += snd-cs4231-lib.o
-obj-$(CONFIG_SND_WAVEFRONT) += snd-cs4231-lib.o
-obj-$(CONFIG_SND_SSCAPE) += snd-cs4231-lib.o
+obj-$(CONFIG_SND_CS4231_LIB) += snd-cs4231-lib.o
+obj-$(CONFIG_SND_CS4231) += snd-cs4231.o
+obj-$(CONFIG_SND_CS4232) += snd-cs4232.o
+obj-$(CONFIG_SND_CS4236) += snd-cs4236.o snd-cs4236-lib.o
 
-obj-m := $(sort $(obj-m))