Update library

Merge support for Ethernet

diff --git a/rpp/lib b/rpp/lib
index 038aadd53b522e5bf269131fb6cba29c22180398..431c0b06c0dee19050a859c5df020c44ac605072 160000 (submodule)
--- a/rpp/lib
+++ b/rpp/lib
@@ -1 +1 @@
-Subproject commit 038aadd53b522e5bf269131fb6cba29c22180398
+Subproject commit 431c0b06c0dee19050a859c5df020c44ac605072