Merge branch 'bugfix/btdm_check_slave_feature_before_set_afh_for_v3.1' into 'release/v3.1'

bugfix/btdm_check_slave_feature_before_set_afh(backport v3.1)

See merge request idf/esp-idf!3103
This commit is contained in:
Jiang Jiang Jian
2018-08-28 13:40:56 +08:00