libresoc-litex submodule update

diff --git a/src/soc/litex/florent b/src/soc/litex/florent
index 47083f3531935d83fd1dfe98faf465cad8804cff..3e69d2095ab2e0dd64fe94ca1547ecc8a2f56719 160000 (submodule)
--- a/src/soc/litex/florent
+++ b/src/soc/litex/florent
@@ -1 +1 @@
-Subproject commit 47083f3531935d83fd1dfe98faf465cad8804cff
+Subproject commit 3e69d2095ab2e0dd64fe94ca1547ecc8a2f56719