Switch ironic-inspector jobs to ironic devstack plugin
Switch ironic-inspector jobs to ironic devstack plugin

Also add ironic to PROJECTS for them, otherwise they fail.

Change-Id: Ibe92ee035e722ae106f19296bfbfffd032807ef7

dongwenjuan/project-config,noorul/os-project-config,noorul/os-project-config,Tesora/tesora-project-config,Tesora/tesora-project-config,openstack-infra/project-config,openstack-infra/project-config,dongwenjuan/project-config