Bring configurations from tempest to ironic_tempest_plugin

To remove our tests from tempest first we need to bring the configurations that
we need to the tempest plugin.

Closes-Bug: #1614516
Change-Id: Iad6e16c28cf2a35cc6bf040f57224d32c085b7bc
diff --git a/ironic_tempest_plugin/clients.py b/ironic_tempest_plugin/clients.py
index 7816a2f..8ec1db6 100644
--- a/ironic_tempest_plugin/clients.py
+++ b/ironic_tempest_plugin/clients.py
@@ -36,9 +36,15 @@
         :param service: service name
         """
         super(Manager, self).__init__(credentials, service)
+        default_params_with_timeout_values = {
+            'build_interval': CONF.compute.build_interval,
+            'build_timeout': CONF.compute.build_timeout
+        }
+        default_params_with_timeout_values.update(self.default_params)
+
         self.baremetal_client = BaremetalClient(
             self.auth_provider,
             CONF.baremetal.catalog_type,
             CONF.identity.region,
             endpoint_type=CONF.baremetal.endpoint_type,
-            **self.default_params_with_timeout_values)
+            **default_params_with_timeout_values)