Protect Firmware from exposure to HW423533

Change-Id: I4c9d7f70d91dd93b9b67a3710be2bea780b073ee
Original-Change-Id: Iaf1a83505ed9bdd9e79bfc46157856263c392736
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/53783
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: LENNARD G. STREAT <lstreat@us.ibm.com>
Reviewed-by: SHELTON LEUNG <sleung@us.ibm.com>
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Reviewed-by: Joseph J. McGill <jmcgill@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://ralgit01.raleigh.ibm.com/gerrit1/55626
CI-Ready: Daniel M. Crowell <dcrowell@us.ibm.com>
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
Tested-by: Daniel M. Crowell <dcrowell@us.ibm.com>

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

@@ -6000,6 +6000,24 @@
     </chipEcFeature>
   </attribute>
 
+  <attribute>
+    <id>ATTR_CHIP_EC_FEATURE_HW423533_P9UDD11_MDI</id>
+    <targetType>TARGET_TYPE_PROC_CHIP</targetType>
+    <description>
+      Program MCU to support standard MDI behavior for Cumulus DD1.1
+      allowing for MDI to be 0 in the system for local operations.
+    </description>
+    <chipEcFeature>
+      <chip>
+        <name>ENUM_ATTR_NAME_CUMULUS</name>
+        <ec>
+          <value>0x11</value>
+          <test>GREATER_THAN_OR_EQUAL</test>
+        </ec>
+      </chip>
+    </chipEcFeature>
+  </attribute>
+
   <attribute>
     <id>ATTR_CHIP_EC_FEATURE_HW430546_P9UDD10_WARLIKE_PARASITE</id>
     <targetType>TARGET_TYPE_PROC_CHIP</targetType>