HDCT: Remove core trace arrays, permanent P9 erratum

CQ: SW414265
Change-Id: I1518e78d87e1a9a115cec26cda75c3708ae4c421
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/52350
Dev-Ready: Joachim Fenkes <fenkes@de.ibm.com>
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: Joseph J. McGill <jmcgill@us.ibm.com>
Reviewed-by: SRINIVAS V. POLISETTY <srinivan@in.ibm.com>
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/52352
Reviewed-by: Sachin Gupta <sgupta2m@in.ibm.com>

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

@@ -404,14 +404,15 @@
     <targetType>TARGET_TYPE_PROC_CHIP</targetType>
     <description>
       Returns true if the core trace arrays are not dumpable via SCOM.
-      Nimbus EC 0x10
+      Permanent erratum for all P9 chips, hence true for all.
     </description>
     <chipEcFeature>
+      <falseIfMatch/>
       <chip>
         <name>ENUM_ATTR_NAME_NIMBUS</name>
         <ec>
-          <value>0x20</value>
-          <test>LESS_THAN</test>
+          <value>0xAF</value>
+          <test>EQUAL</test>
         </ec>
       </chip>
     </chipEcFeature>