Merge branch 'bugfix/btdm_assert_ble_32768_v3.1' into 'release/v3.1'

fix bug that there's very low ratio to cause BLE assert(32768, 0) in rwble.c at line 222

See merge request idf/esp-idf!3918
This commit is contained in:
Jiang Jiang Jian
2018-12-07 13:54:18 +08:00