abis: Create a routine that can parse all SW Descriptions of a SW Config

Be able to parse the entire SW Config IE. Parse the SW Descruption
into a struct provided by the caller.
diff --git a/openbsc/tests/abis/Makefile.am b/openbsc/tests/abis/Makefile.am
new file mode 100644
index 0000000..3255ecf
--- /dev/null
+++ b/openbsc/tests/abis/Makefile.am
@@ -0,0 +1,17 @@
+INCLUDES = $(all_includes) -I$(top_srcdir)/include
+AM_CFLAGS=-Wall -ggdb3 $(LIBOSMOCORE_CFLAGS) $(LIBOSMOABIS_CFLAGS) \
+	$(LIBOSMOGSM_CFLAGS) $(COVERAGE_CFLAGS)
+
+EXTRA_DIST = abis_test.ok
+
+noinst_PROGRAMS = abis_test
+
+abis_test_SOURCES = abis_test.c
+
+abis_test_LDADD = \
+		$(top_builddir)/src/libbsc/libbsc.a \
+		$(top_builddir)/src/libcommon/libcommon.a \
+		$(top_builddir)/src/libbsc/libbsc.a \
+		$(top_builddir)/src/libtrau/libtrau.a \
+		$(LIBOSMOCORE_LIBS) $(LIBOSMOABIS_LIBS) \
+		$(LIBOSMOGSM_LIBS)