Add OpenDaylight role docs
Add OpenDaylight role docs

Change-Id: I0d7886f532997de0eb969e8e3e621173ddd7281d
Signed-off-by: Marcus G K Williams <641cb189fe0bb808bf9ed9d2c36a242a867400e4@intel.com>

dardelean/kolla-ansible,dardelean/kolla-ansible,dardelean/kolla-ansible