fix: Define bonds before bridges in Ubuntu
fix: Define bonds before bridges in Ubuntu

Ubuntu processes interface configuration files top to bottom. Bonded
interfaces must be defined before they can be specificied in bridge
definitions. This fix moves all bond interface definitions before any
bridge definitions.

Change-Id: Ie1a6cc5699b9c2aed4908db414ccfbafabbee784

open-power-ref-design-toolkit/cluster-genesis,open-power-ref-design-toolkit/cluster-genesis