ASN1: Register BER syntaxes as NEW

Change-Id: Id85eaecd84dbe1115935e1977dca321fd601d986
Reviewed-on: https://code.wireshark.org/review/4639
Petri-Dish: Stig Bjørlykke <stig@bjorlykke.org>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Stig Bjørlykke <stig@bjorlykke.org>