Merge branch 'bugfix/wifi_defragmentation_only_for_data_frame_v3.1' into 'release/v3.1'

esp32: do defragmentation only for data and management frame (backport v3.1)

See merge request idf/esp-idf!4091
This commit is contained in:
Jiang Jiang Jian
2019-01-11 10:36:22 +08:00