bump tinyusb commit

diff --git a/tinyusb b/tinyusb
index 933ac29d77f54c68cbb41f09b74e78f868a2b4a7..8b1e40c3e2447de5b4a86bbcdcc0344946a4793d 160000 (submodule)
--- a/tinyusb
+++ b/tinyusb
@@ -1 +1 @@
-Subproject commit 933ac29d77f54c68cbb41f09b74e78f868a2b4a7
+Subproject commit 8b1e40c3e2447de5b4a86bbcdcc0344946a4793d