Install sample cfg file to /etc/osmocom

Change-Id: Id898e920b934fbfb0b9abe1e3085ac817fa4634d
diff --git a/doc/examples/Makefile.am b/doc/examples/Makefile.am
index 530c3fa..2b5781a 100644
--- a/doc/examples/Makefile.am
+++ b/doc/examples/Makefile.am
@@ -1,3 +1,13 @@
+OSMOCONF_FILES = \
+	osmo-gtphub/osmo-gtphub.cfg \
+	osmo-sgsn/osmo-sgsn.cfg \
+	osmo-gbproxy/osmo-gbproxy.cfg
+
+osmoconfdir = $(sysconfdir)/osmocom
+osmoconf_DATA = $(OSMOCONF_FILES)
+
+EXTRA_DIST = $(OSMOCONF_FILES)
+
 CFG_FILES = find $(srcdir) -name '*.cfg*' | sed -e 's,^$(srcdir),,'
 
 dist-hook: