Add runtest parameters

This commit adds parameters needed for full tempest run to be successfull
These are the same parameters used currently in tempest [1]

max_microversion - changed to actual for Mitaka - 2.25
designate parameters removed - no designate in Mitaka

[1] https://gerrit.mcp.mirantis.net/gitweb?p=mcp/rally-tempest.git;a=blob;f=aio_mcp.conf;h=220d16619280ab04285d43f562efe115385fc6ef;hb=HEAD

Change-Id: I20b1a6f9004ca55ebec2643e8a47218e919eabd8
(cherry picked from commit fec53a03c073df46d7e1bd4b1cc0aebc755905d3)
diff --git a/classes/cluster/virtual-mcp11-aio/openstack/init.yml b/classes/cluster/virtual-mcp11-aio/openstack/init.yml
index ea73df6..beada77 100755
--- a/classes/cluster/virtual-mcp11-aio/openstack/init.yml
+++ b/classes/cluster/virtual-mcp11-aio/openstack/init.yml
@@ -123,3 +123,12 @@
       enabled: True
       cfg_dir: ${_param:runtest_tempest_cfg_dir}
       cfg_name: ${_param:runtest_tempest_cfg_name}
+      compute:
+        build_timeout: 600
+        min_microversion: 2.1
+        max_microversion: 2.25
+      orchestration:
+        max_template_size: 5440000
+        max_resources_per_stack: 20000
+      volume-feature-enabled:
+        backup: false