Merge branch 'master' into feature/btdm_bluedroid

1. update bt lib submodule

# Conflicts:
#	components/bootloader/src/main/esp32.bootloader.ld
#	components/bt/component.mk
#	components/esp32/component.mk
#	components/esp32/lib

diff --cc components/bt/component.mk
Simple merge

diff --cc components/bt/include/bt.h
Simple merge

diff --cc components/bt/lib
index 0f11ccac9a5f39e28e5d8904634c54acd4f140fd,bcbc35215c6d87279da4b87a74d3360c537d6724..5349ca363427758b9ef902f33e9ac0dae2c349e1
--- 1/components/bt/lib
--- 2/components/bt/lib
+++ b/components/bt/lib
@@@ -1,1 -1,1 +1,1 @@@
- Subproject commit 0f11ccac9a5f39e28e5d8904634c54acd4f140fd
 -Subproject commit bcbc35215c6d87279da4b87a74d3360c537d6724
++Subproject commit 5349ca363427758b9ef902f33e9ac0dae2c349e1

diff --cc components/esp32/Kconfig
Simple merge

diff --cc components/esp32/include/soc/soc.h
Simple merge

diff --cc examples/05_ble_adv/main/app_bt.c
Simple merge