Install sdbus++

Change-Id: Ie6af7436fdf66bd123bd196d238eff47b3fb95b8
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/Makefile.am b/Makefile.am
index 65e57d3..5b39bc1 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -16,4 +16,4 @@
 	sdbusplus/utility/type_traits.hpp \
 	sdbusplus/vtable.hpp
 
-SUBDIRS = test
+SUBDIRS = test tools