Those packages come from outside OpenWrt's official feeds, so the ASU server can't find them. If you want to use any of the ASU clients (LuCI Attended Sysupgrade, Firmware Selector, auc or owut) to upgrade, you'll have to manually uninstall them and then re-install them after the upgrade.
EDIT
Here's an example of how one user deals with "foreign" packages: Owut: OpenWrt Upgrade Tool - #997 by el_charlie