component/bt: let vhci callback "vhci_notify_host_send_available" be called in the...

diff --git a/components/bt/lib b/components/bt/lib
index 9a4bb1d5287572664f170f9df4dbfd71babdfc68..5164b8cb0c1db58f2957b4cf885361719f5fcf8c 160000 (submodule)
--- a/components/bt/lib
+++ b/components/bt/lib
@@ -1 +1 @@
-Subproject commit 9a4bb1d5287572664f170f9df4dbfd71babdfc68
+Subproject commit 5164b8cb0c1db58f2957b4cf885361719f5fcf8c