acl: update on layer 2 layer 3 acl usecase

accidentally deleted the option of breaking the loop
while accepting command line arguments for layer 2 ACL.
Adding acl patch based on external comments.
Added changed commands since external patch changed

Signed-off-by: Sanjyot Vaidya <Sanjyot.Vaidya@arm.com>
Reviewed-by: Kamalakshitha Aligeri <Kamalakshitha.Aligeri@arm.com>
Change-Id: Ie388587a7aa1448eeef0dde5bf56ffe7ac520c04