fiasco: drivers-frst: back to default state. Port 0x80 solved in kernel conf.^C

diff --git a/l4 b/l4
index e3e88cd02e4e26d0d588e4c756f63f7aa9447267..b20a0e12a13e95c6a6c4608d7ee22b8f64e4eccf 160000 (submodule)
--- a/l4
+++ b/l4
@@ -1 +1 @@
-Subproject commit e3e88cd02e4e26d0d588e4c756f63f7aa9447267
+Subproject commit b20a0e12a13e95c6a6c4608d7ee22b8f64e4eccf