Add 'OCC online/offline' events to 'IE' error log subsection

Signed-off-by: Jeff Scheel <scheel@us.ibm.com>

Error Handling/sec_rtas_error_reporting_return_format.xml

@@ -3233,7 +3233,8 @@
                 <para>0x04 = Node off-line</para>
                 <para>0x05 = platform-dump-max-size change</para>
                 <para>0x08 = Generic Notification</para>
-                <para>0x09 = NVDIMM status change</para>
+                <para>0x09 = Platform protection of NVDIMM contents enabled</para>
+                <para>0x0A = Platform protection of NVDIMM contents disabled</para>
                 <para>All other values = Reserved</para>
               </entry>
             </row>