Add ppc64/ppc64le images in images.json.sample
Update images.json.sample to add ppc64/ppc64le support
This is to replace the two previous commits that
modified default WANTED dict in fedora_openqa/config.py:
* 4d1b71a Add ppc64/ppc64le images support
* 9f19b1f Don't schedule PowerPC jobs by default, for now
Signed-off-by: Guy Menanteau <menantea@linux.vnet.ibm.com>
merge
Signed-off-by: Michel Normand <normand@linux.vnet.ibm.com>