PEL:message_registry: add new HostRunning error

The following commit introduced this new error:
  https://gerrit.openbmc-project.xyz/c/openbmc/openpower-proc-control/+/44352

This officially defines it within the PEL registry to ensure the
appropriate documentation accompanies it.

Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
Change-Id: I66f4baf40e1e3b14e4b29d9e4f4efe2f1a729686
diff --git a/extensions/openpower-pels/registry/message_registry.json b/extensions/openpower-pels/registry/message_registry.json
index 082ad30..daed092 100644
--- a/extensions/openpower-pels/registry/message_registry.json
+++ b/extensions/openpower-pels/registry/message_registry.json
@@ -472,6 +472,33 @@
         },
 
         {
+            "Name": "org.open_power.PHAL.Error.HostRunning",
+            "Subsystem": "cec_sp_hostboot_iface",
+            "ComponentID": "0x3000",
+
+            "SRC":
+            {
+                "ReasonCode": "0x3005",
+                "Words6To9":
+                {
+                }
+            },
+
+            "Documentation":
+            {
+                "Description": "Host did not respond to BMC after a BMC reset",
+                "Message": "Host did not respond to BMC after a BMC reset but hardware indicates it is running",
+                "Notes": [
+                    "System will be left in its current state to ensure host ",
+                    "is not unexpectedly taken down. There is most likely an ",
+                    "issue in the software or hardware communication path ",
+                    "between the BMC and the Host firmware.",
+                    "A BMC dump will be collected with relevant FFDC."
+                ]
+            }
+        },
+
+        {
             "Name": "org.open_power.Processor.Error.SbeChipOpFailure",
             "Subsystem": "processor_chip",
             "ComponentID": "0x3500",