[Bugfix][T106BUG-263] Fota upgrade success but boot failed not start original system

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

Change-Id: I8bce28e3c41028051602214cceb9826eabf1e03e
1 file changed