修改调用sensor_poweron改为sensor_reset,确保每次poweron时可以正常与sensor通讯，配置正确的dpi值；
Review Request #897 — Created June 5, 2020 and updated
| Information | |
|---|---|
| jiangheng | |
| YC1021S | |
| Reviewers | |
| chenjianrong, mengmeishan | |
修改调用sensor_poweron改为sensor_reset,确保每次poweron时可以正常与sensor通讯，配置正确的dpi值；
