[stable/2024.1] Fix issue Live migration broken on 2023.1 (#1496)

This is an automated cherry-pick of #1493
/assign mnaser
diff --git a/roles/nova/vars/main.yml b/roles/nova/vars/main.yml
index 585e4d9..3d86292 100644
--- a/roles/nova/vars/main.yml
+++ b/roles/nova/vars/main.yml
@@ -103,6 +103,9 @@
         workers: 8
       vnc:
         auth_schemes: vencrypt,none
+      # NOTE(yaguang): This is not safe but a workaround before upstream bug 2039803 is fixed.
+      workarounds:
+        skip_cpu_compare_on_dest: true
     nova_ironic:
       DEFAULT:
         force_config_drive: true