Merge branch 'bugfix/sniffer_crash_issue_v4.0' into 'release/v4.0'

esp_wifi: Fix wifi stop bug when sniffer enable (backport v4.0)

See merge request espressif/esp-idf!7207
This commit is contained in:
Jiang Jiang Jian
2020-01-07 10:57:26 +08:00