cpu: Change default config for "complete_reduction".
cpu: Change default config for "complete_reduction".

It can now be used as a child of the bridge, instead of as a child
of the the node.

bh107/bohrium,bh107/bohrium,bh107/bohrium,madsbk/bohrium,madsbk/bohrium,madsbk/bohrium,bh107/bohrium,madsbk/bohrium