Adds DCD calibration control attributes

Change-Id: Ic5c1c69995f117aebf6a261e23ea56b9feb848ba
Original-Change-Id: I2c3783eba2e5638e20136494ad897b420737566e
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/40178
Dev-Ready: STEPHEN GLANCY <sglancy@us.ibm.com>
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: PPE CI <ppe-ci+hostboot@us.ibm.com>
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
Reviewed-by: JACOB L. HARVEY <jlharvey@us.ibm.com>
Tested-by: Hostboot CI <hostboot-ci+hostboot@us.ibm.com>
Reviewed-by: Louis Stermole <stermole@us.ibm.com>
Reviewed-by: Matt K. Light <mklight@us.ibm.com>
Reviewed-by: Thi N. Tran <thi@us.ibm.com>
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>

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

@@ -2894,6 +2894,23 @@
     </chipEcFeature>
   </attribute>
 
+  <attribute>
+    <id>ATTR_CHIP_EC_FEATURE_DCD_WORKAROUND</id>
+    <targetType>TARGET_TYPE_PROC_CHIP</targetType>
+    <description>
+      In DD1 Nimbus, the sofware DCD calibration needs to be run, as it does not exist in HW
+    </description>
+    <chipEcFeature>
+      <chip>
+        <name>ENUM_ATTR_NAME_NIMBUS</name>
+        <ec>
+          <value>0x20</value>
+          <test>LESS_THAN</test>
+        </ec>
+      </chip>
+    </chipEcFeature>
+  </attribute>
+
   <attribute>
     <id>ATTR_CHIP_EC_FEATURE_MSS_DQS_POLARITY</id>
     <targetType>TARGET_TYPE_PROC_CHIP</targetType>