[Bugfix][T106BUG-479]Fix that the AT port has no output and cannot input

Only Configure: No
Affected branch: master
Affected module: unknow
Is it affected on both ZXIC and MTK: only ZXIC
Self-test: Yes
Doc Update: No

Change-Id: I17598754cb5b54f50a2be85c45e56821d18c7cc8
2 files changed