efi: Extend install() & update() to support usr/lib/efi - #992

efi: Extend install() & update() to support usr/lib/efi#992

cgwalters merged 5 commits into

coreos:maincoreos/bootupd:mainfrom

HuijingHei:step2-install-from-usrHuijingHei/bootupd:step2-install-from-usrCopy head branch name to clipboard