Only lock fwupdtool when loading the engine
Only lock fwupdtool when loading the engine

Some actions like firmware-parse should not need an OFD lock.

fwupd/fwupd,hughsie/fwupd,fwupd/fwupd,hughsie/fwupd,hughsie/fwupd,hughsie/fwupd,fwupd/fwupd,fwupd/fwupd