[Feature][T106][task-view-1450]Add the prefix +emmc to the output result

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

Change-Id: I1d45c07ee8e88d86e05587228df5dd0fab430af5
(cherry picked from commit 3c30fcc6ede54250c5e7f0098098853ca135d117)
1 file changed