update tinyusb to fix cdc connection race

hathach · hathach · commit 5351a93c70fc · 2020-11-23T13:39:14.000+07:00
issue is fixed in hathach/tinyusb#557
diff --git a/lib/tinyusb b/lib/tinyusb
@@ -1 +1 @@
-Subproject commit 8b2c82255750488232eae72f3d5dcbacfd6227f3
+Subproject commit b870d932e5e1c6ece4227a5d49cc71e53a744149
