This changes adds a minor clarifying statement about what services can
run on ppc64le. This statement will be removed upon integration of
MariaDB 10.1 into the OSA code base. Other options to support ppc64le at
the management side are being evaluated.
Change-Id: If94eb580c14d5bb64c9314deb3aec37f9b900f98
97f7e37ef9