yocto-opkg usb-update has been integrated into the oecore-opkg usb-update: http://update.aizo.com/feeds/dss11-fieldtest-eglibc/usb-update/dss11-fieldtest-1.14.5.2-beta00.02-upgrade.zip or simply use the latest one: http://update.aizo.com/feeds/dss11-fieldtest-eglibc/usb-update/dss11-fieldtest-latest-upgrade.zip