Passing tenant name to provision_linklocal.py

1.provision_linklocal.py was failing as the tenant was hard coded as 'admin'
2.Sent the fix to Hari to commit that
3.Test was a false pass. Fixed that

Change-Id: I4f80d4f6e7016759a8c8ff8e1cab23e841acaf2f
Merge "Passing tenant name to provision_linklocal.py"