众芯盛双蓝牙版本：1.修改前一版本遗留bug，会影响BLE回连打折；2.恢复mem_usb_offline_check_gpio的注释。
Review Request #324 — Created March 6, 2020 and updated — Latest diff uploaded
| Information | |
|---|---|
| chenjianrong | |
| YC1021S | |
| Reviewers | |
| jiangheng, mengmeishan | |
1.修改前一版本遗留bug，会影响BLE回连打折；2.恢复mem_usb_offline_check_gpio的注释。