Add test build.

Change-Id: Ia7f6296559e5eabe1ea797a05bcb524d6faaf5dc
diff --git a/mbtk/test/libmbtk_ril/Makefile b/mbtk/test/libmbtk_ril/Makefile
index 6974260..c7011aa 100755
--- a/mbtk/test/libmbtk_ril/Makefile
+++ b/mbtk/test/libmbtk_ril/Makefile
@@ -5,7 +5,7 @@
 
 LIB_DIR +=
 
-LIBS += -lmbtk_lib -lmbtk_ril
+LIBS += -lmbtk_lib
 
 CFLAGS +=