component/bt:fix connection params update issues

diff --git a/components/bt/lib b/components/bt/lib
index 8d91e55a5744af0164e239745f560a7f9c6365f0..2b9ab9d6906f14ba7b19d7b635cb9c9e6048d5cb 160000 (submodule)
--- a/components/bt/lib
+++ b/components/bt/lib
@@ -1 +1 @@
-Subproject commit 8d91e55a5744af0164e239745f560a7f9c6365f0
+Subproject commit 2b9ab9d6906f14ba7b19d7b635cb9c9e6048d5cb