feat(script): enable fast forwarding master

tf-a-main is now working properly in Open-CI environment hence 
enabling automated fast forwarding of master upon success of
tf-A-main run.

Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
Change-Id: I778f4de9db026a94da9e1c444622c176007a8cc9
1 file changed