ovs images which based on centos miss libibverbs package.
this ps add the package to neutron-ovs-agent and ovs-base
images.
Closes-Bug: 1882863
Change-Id: I3e307efc43f934a944a91d5d131a11f607411df2
(cherry picked from commit 6d71ac843e)
(cherry picked from commit 5bd7d3fc7a)