Fix node_image target

For now node_image target is broken in upstream, let's
use workaround which works both for upstream and downstream

[1]. https://github.com/projectcalico/calico-containers/pull/1250

Change-Id: Ie501b10ead1199c6a47a271790d701aefdc86c33
1 file changed
tree: 7aecf6bd7c7e5fdfadc0826d089000cdddf68efd
  1. src/
  2. vars/
  3. .gitreview