Run ironic-inspector discovery jobs in the CI

These jobs have a separate set of scenario tests.

Depends-On: I69d91ac4b00dabfd917f097d70f0b38e0a4fc4c6
Change-Id: If1788fc1edd98c3d909f39d50a85c598594e6fc8
diff --git a/zuul.d/project.yaml b/zuul.d/project.yaml
index a1f312c..e6646a2 100644
--- a/zuul.d/project.yaml
+++ b/zuul.d/project.yaml
@@ -12,6 +12,10 @@
         - ironic-tempest-dsvm-ironic-inspector-queens
         - ironic-tempest-dsvm-ironic-inspector-pike
         - ironic-tempest-dsvm-ironic-inspector-ocata
+        - ironic-inspector-tempest-dsvm-discovery
+        - ironic-inspector-tempest-dsvm-discovery-queens
+        - ironic-inspector-tempest-dsvm-discovery-pike
+        - ironic-inspector-tempest-dsvm-discovery-ocata
     gate:
       jobs:
         - ironic-dsvm-standalone
@@ -25,3 +29,7 @@
         - ironic-tempest-dsvm-ironic-inspector-queens
         - ironic-tempest-dsvm-ironic-inspector-pike
         - ironic-tempest-dsvm-ironic-inspector-ocata
+        - ironic-inspector-tempest-dsvm-discovery
+        - ironic-inspector-tempest-dsvm-discovery-queens
+        - ironic-inspector-tempest-dsvm-discovery-pike
+        - ironic-inspector-tempest-dsvm-discovery-ocata