lftools v0.25.1 hasn't hit PyPi yet and is having issues getting built
properly. Global-jjb v0.39.0 upgrades to lftools v0.25.1 so we need to
revert until the package is distributed
Change-Id: Icae5362464e50613b350ecc79ef813bd2f1b841a Signed-off-by: Andrew Grimberg <agrimberg@linuxfoundation.org>