fix bug to unsupport rf reg access from hci cmd

Always return 0 when read rf register and do nothing when write rf register

diff --git a/components/bt/lib b/components/bt/lib
index 2b5420e7912a464a88e4fe6d300d947cc9ec7039..27ea8fa3f11183c7e70d657b6fba6d699ed34968 160000 (submodule)
--- a/components/bt/lib
+++ b/components/bt/lib
@@ -1 +1 @@
-Subproject commit 2b5420e7912a464a88e4fe6d300d947cc9ec7039
+Subproject commit 27ea8fa3f11183c7e70d657b6fba6d699ed34968