[Feature][ZXW-43][log] fix rlog only write err to log file

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

Change-Id: I73e892035e8cf2154b6c02434c1d9b9e3c572dc7
1 file changed