Merge branch 'bugfix/wifi_make_esptouch_channel_switch_thread_safe_v3.0' into 'release/v3.0'

esp32: make esp-touch channel switch thread safe

See merge request idf/esp-idf!3354
This commit is contained in:
Jiang Jiang Jian
2018-09-26 19:55:14 +08:00