ovs: Update to the latest digital ocean kernel version
ovs: Update to the latest digital ocean kernel version

Boots on digital ocean are really slow because they upgraded their
kernel.  This patch updates to the latest version.

ejj/quilt-dev,kklin/quilt,LuiseV/quilt,kklin/kelda,LuiseV/quilt,ejj/quilt-dev,kayousterhout/quilt,NetSys/quilt,LuiseV/quilt,kklin/quilt,kayousterhout/quilt,NetSys/quilt,NetSys/quilt,kayousterhout/quilt,quilt/quilt,ejj/quilt-dev,NetSys/quilt,LuiseV/quilt,kelda/kelda,kelda/kelda,LuiseV/quilt,NetSys/quilt,ejj/quilt-dev,quilt/quilt,kelda/kelda,kklin/kelda,quilt/quilt,kelda/kelda,kklin/quilt,quilt/quilt,kklin/quilt,kklin/kelda,kayousterhout/quilt,kklin/kelda