Remove references to infra in FM doc

Replace the references of infra network or interface with cluster-host.

Story: 2004273
Task: 30582

Change-Id: I9c6212f95adfba1a2bb0ea250723370690ab0345
Signed-off-by: Teresa Ho <teresa.ho@windriver.com>

fm-doc/fm_doc/events.yaml

@@ -255,7 +255,7 @@
 
 100.110:
     Type: Alarm
-    Description: "'INFRA' Port failed."
+    Description: "'CLUSTER-HOST' Port failed."
     Entity_Instance_ID: host=<hostname>.port=<port-name>
     Severity: major
     Proposed_Repair_Action: Check cabling and far-end port configuration and status on adjacent equipment.
@@ -271,9 +271,9 @@
 100.111:
     Type: Alarm
     Description: |-
-        'INFRA' Interface degraded.
+        'CLUSTER-HOST' Interface degraded.
         OR
-        'INFRA' Interface failed.
+        'CLUSTER-HOST' Interface failed.
     Entity_Instance_ID: host=<hostname>.interface=<if-name>
     Severity: [critical, major]
     Proposed_Repair_Action: Check cabling and far-end port configuration and status on adjacent equipment.
@@ -556,13 +556,13 @@
     Type: Alarm
     Description: |-
         Degrade:
-        <hostname> is experiencing an intermittent 'Infrastructure Network'  communication failures that have exceeded its lower alarming threshold.
+        <hostname> is experiencing an intermittent 'Cluster-host Network'  communication failures that have exceeded its lower alarming threshold.
 
         Failure:
-        <hostname> is experiencing a persistent critical 'Infrastructure Network' communication failure."
+        <hostname> is experiencing a persistent critical 'Cluster-host Network' communication failure."
     Entity_Instance_ID: host=<hostname>
     Severity: [critical, major]
-    Proposed_Repair_Action: "Check 'Infrastructure Network' connectivity and support for multicast messaging. If problem consistently occurs after that and Host is reset, then contact next level of support or lock and replace failing host."
+    Proposed_Repair_Action: "Check 'Cluster-host Network' connectivity and support for multicast messaging. If problem consistently occurs after that and Host is reset, then contact next level of support or lock and replace failing host."
     Maintenance_Action: auto recover
     Inhibit_Alarms: False
     Alarm_Type: communication
@@ -1185,7 +1185,7 @@
         Communication failure detected with peer over port <linux-ifname>.
         OR
         Communication failure detected with peer over port <linux-ifname> within the last 30 seconds.
-    Entity_Instance_ID: host=<hostname>.network=<mgmt | oam | infra>
+    Entity_Instance_ID: host=<hostname>.network=<mgmt | oam | cluster-host>
     Severity: major
     Proposed_Repair_Action: Check cabling and far-end port configuration and status on adjacent equipment.
     Maintenance_Action: