Update bmusb.

diff --git a/bmusb b/bmusb
index b7e6e2e7df1bbae97a1b62112d9c8c67df212f44..653fb04b1f7fd18a3361524aeb4877efca032cdb 160000 (submodule)
--- a/bmusb
+++ b/bmusb
@@ -1 +1 @@
-Subproject commit b7e6e2e7df1bbae97a1b62112d9c8c67df212f44
+Subproject commit 653fb04b1f7fd18a3361524aeb4877efca032cdb