components/bt: backports release/v3.2 0903

Remove xtensa/xruntime.h
Fix sending Lmp_feature_req_ext in a loop
Fix 2 bugs in r_ld_fm_sket_isr
fix data loss and send same pkt twice sometimes
fix adv data error in air sometimes
fix adv start/stop crash sometimes

diff --git a/components/bt/lib b/components/bt/lib
index 55afc55c09e938dd29e86592b6cb2b07ae2aadde..61ccdf07068a409b3a1dc7241f87963092b54178 160000 (submodule)
--- a/components/bt/lib
+++ b/components/bt/lib
@@ -1 +1 @@
-Subproject commit 55afc55c09e938dd29e86592b6cb2b07ae2aadde
+Subproject commit 61ccdf07068a409b3a1dc7241f87963092b54178