diff --git a/kernel-firmware-serial b/kernel-firmware-serial
index b7283f0..6cd20a6 160000
--- a/kernel-firmware-serial
+++ b/kernel-firmware-serial
@@ -1 +1 @@
-Subproject commit b7283f0c5c40602f50a6257c760738913d79d72bdf5795d830f34e287b3d7ed7
+Subproject commit 6cd20a62498ff73dcf17e33f45d8e7490e73862c70bf029d8379c4965c408997