moved simple mixer abstraction modules to modules/mixer/simple directory

Compile dynamic modules outside the alsa-lib tree to allow linking them
against libasound.so - proper versions of dynamic symbols.

modules/mixer/simple/Makefile.am

@@ -0,0 +1,21 @@
+pkglibdir = $(libdir)/@PACKAGE@/smixer
+
+AM_CFLAGS = -g -O2 -W -Wall
+
+pkglib_LTLIBRARIES = smixer-sbase.la \
+		     smixer-ac97.la \
+		     smixer-hda.la
+
+noinst_HEADERS = sbase.h
+
+smixer_sbase_la_SOURCES = sbase.c
+smixer_sbase_la_LDFLAGS = -module -avoid-version
+smixer_sbase_la_LIBADD = ../../../src/libasound.la
+
+smixer_ac97_la_SOURCES = ac97.c sbasedl.c
+smixer_ac97_la_LDFLAGS = -module -avoid-version
+smixer_ac97_la_LIBADD = ../../../src/libasound.la
+
+smixer_hda_la_SOURCES = hda.c sbasedl.c
+smixer_hda_la_LDFLAGS = -module -avoid-version
+smixer_hda_la_LIBADD = ../../../src/libasound.la