Adding skip group dials for cache when chip=group

The L2 dial is a scomable dial for DD1, but the NCU and L3
dials are not scan only for DD1. So the NCU and L3 have two
dials one used in DD1 and one for after DD1.

Change-Id: I89d566ba2291ebc8305b0711563800f4b2be5b62
Original-Change-Id: Ica63b417ae79b3b5a230c8034fd6f76b982df23b
RTC: 167679
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/34857
Reviewed-by: LUKE MURRAY <murrayl@us.ibm.com>
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Reviewed-by: Matt K. Light <mklight@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: ALEXANDER M. TAFT <amtaft@us.ibm.com>
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/55451
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

@@ -1756,6 +1756,47 @@
       </chip>
     </chipEcFeature>
   </attribute>
+  <!-- ******************************************************************** -->
+  <attribute>
+    <id>ATTR_CHIP_EC_FEATURE_HW396230_SCAN_ONLY</id>
+    <targetType>TARGET_TYPE_PROC_CHIP</targetType>
+    <description>
+      Nimbus DD1 only: set L3/NCU skip group scope via scan only
+    </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_HW396230_SCOM</id>
+    <targetType>TARGET_TYPE_PROC_CHIP</targetType>
+    <description>
+      Nimbus DD2+: able to set L3/NCU skip group scope via SCOM
+    </description>
+    <chipEcFeature>
+      <chip>
+        <name>ENUM_ATTR_NAME_NIMBUS</name>
+        <ec>
+          <value>0x20</value>
+          <test>GREATER_THAN_OR_EQUAL</test>
+        </ec>
+      </chip>
+      <chip>
+        <name>ENUM_ATTR_NAME_CUMULUS</name>
+        <ec>
+          <value>0x10</value>
+          <test>GREATER_THAN_OR_EQUAL</test>
+        </ec>
+      </chip>
+    </chipEcFeature>
+  </attribute>
 
   <!-- ******************************************************************** -->
   <!-- Memory Section                                                       -->