qcscm_uefi_get_next_variable
efi_status qcscm_uefi_get_next_variable(struct qcscm_softc *,
status = qcscm_uefi_get_next_variable(sc, name, &size, guid);
ret = qcscm_uefi_get_next_variable(sc, name, &namesize, &guid);