Merge branch 'feature/mqtt_submodule_update_23c8e1ec_v4.0' into 'release/v4.0'

MQTT: Update submodule reference to da850b (config, error flags, minor fixes) (v4.0)

See merge request espressif/esp-idf!11314
This commit is contained in:
Jiang Jiang Jian
2020-11-21 17:32:18 +08:00