add automatic-interface-scan to ARM grammar
add automatic-interface-scan to ARM grammar

(cherry picked from commit 90499817bf85543c4c2a1946e146d7aef60331e4)

each/bind9-collab,pecharmin/bind9,each/bind9-collab,pecharmin/bind9,each/bind9-collab,pecharmin/bind9,each/bind9-collab,pecharmin/bind9,pecharmin/bind9,each/bind9-collab,pecharmin/bind9,each/bind9-collab