Fixed master hostname YAML template

JMRaczynski · vrutkovs · commit 274876a4cecd · 2022-10-07T07:37:17.000+02:00
As it was referring to workers instead of masters
diff --git a/Guides/UPI/baremetal/node-hostname-resolution.md b/Guides/UPI/baremetal/node-hostname-resolution.md
@@ -29,8 +29,8 @@ apiVersion: machineconfiguration.openshift.io/v1
 kind: MachineConfig
 metadata:
   labels:
-    machineconfiguration.openshift.io/role: worker
-  name: okd-configure-worker-node-hostname
+    machineconfiguration.openshift.io/role: master
+  name: okd-configure-master-node-hostname
 spec:
   config:
     ignition:
