libgreat: upgrade to a version with our USB sleep fixes
libgreat: upgrade to a version with our USB sleep fixes

greatscottgadgets/greatfet,greatscottgadgets/greatfet,greatscottgadgets/greatfet,dominicgs/GreatFET-experimental,dominicgs/GreatFET-experimental,greatscottgadgets/greatfet,dominicgs/GreatFET-experimental