PEL: Add error message registry entry for devtree sync

Adding error entry in the message registry JSON file for
devtree sync failure during BMC reboot path. During the
concurrent code update new phal devtree need to update r/w
attributes states with previous state. This error entry
indicates the failure during this data sync.

Signed-off-by: Jayanth Othayoth <ojayanth@in.ibm.com>
Change-Id: I99631403164d2efe66f7a732446bc4805b7eff52
diff --git a/extensions/openpower-pels/registry/message_registry.json b/extensions/openpower-pels/registry/message_registry.json
index 235843d..f8e2ebf 100644
--- a/extensions/openpower-pels/registry/message_registry.json
+++ b/extensions/openpower-pels/registry/message_registry.json
@@ -424,6 +424,30 @@
         },
 
         {
+            "Name": "org.open_power.PHAL.Error.devtreeSync",
+            "Subsystem": "cec_hardware",
+            "ComponentID": "0x3000",
+            "Severity": "unrecoverable",
+
+            "SRC":
+            {
+                "ReasonCode": "0x3003",
+                "Words6To9":
+                {
+                }
+            },
+
+            "Documentation":
+            {
+                "Description": "Failure occurred during PHAL devtree sync ",
+                "Message": "Failure occurred during PHAL devtree sync",
+                "Notes": [
+                    "The journal should contain more information"
+                ]
+            }
+        },
+
+        {
             "Name": "org.open_power.Processor.Error.SbeChipOpFailure",
             "Subsystem": "processor_chip",
             "ComponentID": "0x3500",