NPU scan/scom init updates

  p9.npu.scan.initfile
    initial release, mask updates for HW403585

  p9_npu_scominit
    configure XTS ATRMISS register

Change-Id: Ib911d6d083738996fd39dd4b17da36f8dd55f259
Original-Change-Id: Id77aad7833a7fe0c3ab2cf0710a63b215a966a80
CQ: HW403585
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/36393
Tested-by: Jenkins Server <pfd-jenkins+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: Jenny Huynh <jhuynh@us.ibm.com>
Reviewed-by: RYAN BLACK <rblack@us.ibm.com>
Reviewed-by: Thi N. Tran <thi@us.ibm.com>

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

@@ -2160,6 +2160,23 @@
     </chipEcFeature>
   </attribute>
 
+  <attribute>
+    <id>ATTR_CHIP_EC_FEATURE_HW403585</id>>
+    <targetType>TARGET_TYPE_PROC_CHIP</targetType>
+    <description>
+      Nimbus DD1: Treacherous Dolphin
+    </description>
+    <chipEcFeature>
+      <chip>
+        <name>ENUM_ATTR_NAME_NIMBUS</name>
+        <ec>
+          <value>0x20</value>
+          <test>LESS_THAN</test>
+        </ec>
+      </chip>
+    </chipEcFeature>
+  </attribute>
+
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   <!-- Memory Section                                                       -->
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