HW477626 Dangerous Elk - Temporarily apply to CDD13 native only

Change-Id: I40e4fc5b2d606b6db79ac63a578a71d1d10ed502
CQ:HW477626
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/70882
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: HWSV CI <hwsv-ci+hostboot@us.ibm.com>
Tested-by: PPE CI <ppe-ci+hostboot@us.ibm.com>
Tested-by: Hostboot CI <hostboot-ci+hostboot@us.ibm.com>
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/70894
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com>
Reviewed-by: Christian R. Geddes <crgeddes@us.ibm.com>

src/import/chips/p9/procedures/xml/attribute_info/chip_ec_attributes.xml

@@ -7827,13 +7827,15 @@
     <targetType>TARGET_TYPE_PROC_CHIP</targetType>
     <description>
      HW477626 Dangerous Elk: Enable L2 reservation protection for performance
+     Temporarily enable for CDD13 native modes only; will apply to all CDD12/13
+     in future change.
     </description>
     <chipEcFeature>
       <chip>
         <name>ENUM_ATTR_NAME_CUMULUS</name>
         <ec>
-          <value>0x12</value>
-          <test>GREATER_THAN_OR_EQUAL</test>
+          <value>0x13</value>
+          <test>EQUAL</test>
         </ec>
       </chip>
     </chipEcFeature>