fix path for build-image job
fix path for build-image job

Had one 'trove' too many in the path for the build-image job which
caused them all to fail, and missed the integration in the KEY_DIR
definition.

Change-Id: Ib16e02b58b31b56019a9641a2b4726d8834d49e7

Tesora/tesora-project-config,Tesora/tesora-project-config,openstack-infra/project-config,openstack-infra/project-config