将MODE_24G_DEVICE换成MODE_G24_DEVICE，避免改动到romcode。将误删的no data timer恢复。
Review Request #349 — Created March 9, 2020 and updated
| Information | |
|---|---|
| ruanjianbin | |
| YC1021S | |
| Reviewers | |
| chenjianrong, jiangheng | |
将MODE_24G_DEVICE换成MODE_G24_DEVICE，避免改动到romcode。将误删的no data timer恢复。
