enable CHECKPOINT_RESTORE on s390x
Bugzilla:
https://bugzilla.redhat.com/show_bug.cgi?id=1475719
Fedora - Add new package CRIU for Docker on z Systems
Koji: https://koji.fedoraproject.org/koji/taskinfo?taskID=20859205
Testing:
The kernel from koji was used to run the CRIU test suite (zdtm)
on a RHEL s390x system. The kernel was started using kexec.
# ./zdtm.py run -a --keep-going
[...]
################## ALL TEST(S) PASSED (TOTAL 317/SKIPPED 31) ###################
Signed-off-by: Adrian Reber <adrian@lisas.de>