update libpicofe

diff --git a/platform/libpicofe b/platform/libpicofe
index 26632f9..dfe767a 160000 (submodule)
--- a/platform/libpicofe
+++ b/platform/libpicofe
@@ -1 +1 @@
-Subproject commit 26632f960f881fa64f3f6805f588c729dc3d651d
+Subproject commit dfe767a5facc30a07e0fdda2b85cf39662ec3fed