libpsync: add PSync and update NLSR dependency

refs: #4827

Change-Id: I83df4c0532258f490b855335bf94600cc71d7a65
diff --git a/libpsync/debian/libpsync-dev.install b/libpsync/debian/libpsync-dev.install
new file mode 100644
index 0000000..61c9409
--- /dev/null
+++ b/libpsync/debian/libpsync-dev.install
@@ -0,0 +1,4 @@
+usr/include/*
+usr/lib/*/lib*.so
+usr/lib/*/pkgconfig/*
+usr/share/pkgconfig/*