Test for the presence of "provisioned" server

rather the the absense of lines with "provisioned".
If the oc command fails the test will still evaluate to False.

Also mask failures from the second "oc get bmh" command so they
wont cause the script to exit.

data/data/bootstrap/baremetal/files/usr/local/bin/master-bmh-update.sh

@@ -15,9 +15,13 @@ while [ "$(oc get bmh -n openshift-machine-api -o name | wc -l)" -lt 1  ]; do
     sleep 20
 done
 
-while [ "$(oc get bmh -n openshift-machine-api -l installer.openshift.io/role=control-plane -o json | jq '.items[].status.provisioning.state' | grep -v provisioned -c)" -gt 0  ]; do
+N="0"
+while [ "$N" -eq "0" ] ; do
+    N=$(oc get bmh -n openshift-machine-api -l installer.openshift.io/role=control-plane --no-headers=true | wc -l)
+done
+while [ "$(oc get bmh -n openshift-machine-api -l installer.openshift.io/role=control-plane -o json | jq '.items[].status.provisioning.state' | grep provisioned -c)" -ne "$N"  ]; do
     echo "Waiting for masters to become provisioned"
-    oc get bmh -A
+    oc get bmh -A || true
     sleep 20
 done