update ppc64

[SmartBert]

is there a chance to get dist-upgrade from lubuntu 16 to 18 for ppc64

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: ubuntu-release-upgrader-core 1:16.04.26
ProcVersionSignature: Ubuntu 4.4.0-142.168-powerpc64-smp 4.4.167
Uname: Linux 4.4.0-142-powerpc64-smp ppc64
ApportVersion: 2.20.1-0ubuntu2.18
Architecture: powerpc
CrashDB: ubuntu
Date: Tue Feb 19 21:40:02 2019
InstallationDate: Installed on 2017-09-21 (516 days ago)
InstallationMedia: Lubuntu 16.04 LTS "Xenial Xerus" - Release powerpc (20160420.1)
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=de_DE
 PATH=(custom, no user)
 LANG=de_DE.UTF-8
 SHELL=/bin/bash
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to xenial on 2019-02-19 (0 days ago)
VarLogDistupgradeAptlog:
 Log time: 2019-02-19 21:38:50.328388
 Log time: 2019-02-19 21:38:57.627139
 Log time: 2019-02-19 21:39:41.246811
 Log time: 2019-02-19 21:40:09.455861
VarLogDistupgradeTermlog: