Fix typo for cpu_mode pillar

PROD-36510

Change-Id: I6ddc9d3592a0446ba5e51abaea12be718f22a642
diff --git a/defaults/salt/init.yml b/defaults/salt/init.yml
index 77ca9e9..153d475 100644
--- a/defaults/salt/init.yml
+++ b/defaults/salt/init.yml
@@ -57,4 +57,4 @@
 
     salt_minion_ca_authority: salt_master_ca
     salt_master_api_bind_address: 0.0.0.0
-    salt_control_cluster_qemu_cpu_model: host-passthrough
+    salt_control_cluster_qemu_cpu_mode: host-passthrough