cleanup-update.sh: Pick up new docker images from ci-yadp-builder config

This solves issue that newly added images were never pulled automatically
and had to be deployed on each worker host manually. Now, as long as they
are added to docker plygin config, they will be pulled in.

Signed-off-by: Paul Sokolovsky <paul.sokolovsky@linaro.org>
Change-Id: Ic549785aa1f6d4977f38ae1207fd6fa262c0c854
1 file changed