Fix two bugs when disable bluetooth controller

1. Fix the bug that disable controller suddenly cause crash when ble is working.
2. Fix the bug that when disable controller, it will cause wifi cannot RX, TX timeout, buffer lack and etc.

diff --git a/components/bt/lib b/components/bt/lib
index d06596275dbf39f773f05d07b79718f939b54565..03909fd446dfc15dea00357329ab73e788e77e11 160000 (submodule)
--- a/components/bt/lib
+++ b/components/bt/lib
@@ -1 +1 @@
-Subproject commit d06596275dbf39f773f05d07b79718f939b54565
+Subproject commit 03909fd446dfc15dea00357329ab73e788e77e11