Merge branch 'bugfix/can_not_get_IP_address_from_China_mobile_v3.2' into 'release/v3.2'

wifi: fix the bug that ESP32 can't get IP address from China Mobile router (v3.2)

See merge request espressif/esp-idf!8409
This commit is contained in:
Jiang Jiang Jian
2020-04-28 11:36:47 +08:00