Merge branch 'bugfix/btdm_loop_in_feature_req_ext_v4.0' into 'release/v4.0'

components/bt: Fix sending LMP_features_req_ext in a loop

See merge request espressif/esp-idf!6023
This commit is contained in:
Jiang Jiang Jian
2019-09-25 11:52:10 +08:00