config: add option to set security component on helper.

helpers/config

@@ -67,6 +67,7 @@ find ${@:3} -type f -not -iregex '.*changelog.*' -not -iregex '.*copyright.*' -e
 }
 changelog(){
 head -n 1 debian/changelog | grep -q $UPSTREAM-security && REPO=$CODENAME-security || REPO=$CODENAME
+[ "$SECURITY" = true ] && REPO=${CODENAME}-security
 [ "$BACKPORT" = true ] || [ "$BACKPORTS" = true ] && REPO=${CODENAME}-backports
 #Name convention issue "+" breaking packages build like console-setup, using "-" instead.
 echo | dch -D $REPO -v $FULLVERSION "$1"