PEL: Add Bonnell callouts to SBE boot timeout PEL

It calls out the backplane and first processor.

Signed-off-by: Matt Spinler <spinler@us.ibm.com>
Change-Id: If532a9eceda08143ad08d73c8cb273a2c8c0105e
diff --git a/extensions/openpower-pels/registry/message_registry.json b/extensions/openpower-pels/registry/message_registry.json
index 04a6940..db888dc 100644
--- a/extensions/openpower-pels/registry/message_registry.json
+++ b/extensions/openpower-pels/registry/message_registry.json
@@ -1466,6 +1466,19 @@
                             "LocCode": "P0-C96"
                         }
                     ]
+                },
+                {
+                    "System": "ibm,bonnell",
+                    "CalloutList": [
+                        {
+                            "Priority": "low",
+                            "LocCode": "P0"
+                        },
+                        {
+                            "Priority": "low",
+                            "LocCode": "P0-C5"
+                        }
+                    ]
                 }
             ],