Updates for HW416934 and HW417233

Conflicting dd1 only dials for these were removed:
ATTR_CHIP_EC_FEATURE_HW396288
ATTR_CHIP_EC_FEATURE_HW399624
ATTR_CHIP_EC_FEATURE_HW393578
ATTR_CHIP_EC_FEATURE_HW403075
ATTR_CHIP_EC_FEATURE_HW393318
ATTR_CHIP_EC_FEATURE_HW394497

Work around for HW408891 is contained within HW416934 update.

Change-Id: I8cb266893d802f1673f683f17fd231e17de1cfa1
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/46177
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: PPE CI <ppe-ci+hostboot@us.ibm.com>
Tested-by: Hostboot CI <hostboot-ci+hostboot@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: Dean Sanner <dsanner@us.ibm.com>
Reviewed-by: Joseph J. McGill <jmcgill@us.ibm.com>
Reviewed-by: Thi N. Tran <thi@us.ibm.com>
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/46181
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>

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

@@ -29,6 +29,59 @@
 -->
 
 <attributes>
+
+  <!-- ********************************************************************* -->
+  <attribute>
+    <id>ATTR_CHIP_EC_FEATURE_HW416934</id>
+    <targetType>TARGET_TYPE_PROC_CHIP, TARGET_TYPE_PROC_CHIP</targetType>
+    <description>
+      Nimbus DD1, DD2.0, DD2.1, Cumulus DD1 only:
+      HW416934 - Cache Inhibited (I=1) lxvd2x load sends 8 byte load to NCU instead of 16 byte
+    </description>
+    <chipEcFeature>
+      <chip>
+        <name>ENUM_ATTR_NAME_NIMBUS</name>
+        <ec>
+          <value>0x21</value>
+          <test>LESS_THAN_OR_EQUAL</test>
+        </ec>
+      </chip>
+      <chip>
+        <name>ENUM_ATTR_NAME_CUMULUS</name>
+        <ec>
+          <value>0x10</value>
+          <test>LESS_THAN_OR_EQUAL</test>
+        </ec>
+      </chip>
+    </chipEcFeature>
+  </attribute>
+
+  <!-- ********************************************************************* -->
+  <attribute>
+    <id>ATTR_CHIP_EC_FEATURE_HW417233</id>
+    <targetType>TARGET_TYPE_PROC_CHIP, TARGET_TYPE_PROC_CHIP</targetType>
+    <description>
+      Nimbus DD1, DD2.0, DD2.1, Cumulus DD1 only:
+      HW417233 - Copy paste lsu bug
+    </description>
+    <chipEcFeature>
+      <chip>
+        <name>ENUM_ATTR_NAME_NIMBUS</name>
+        <ec>
+          <value>0x21</value>
+          <test>LESS_THAN_OR_EQUAL</test>
+        </ec>
+      </chip>
+      <chip>
+        <name>ENUM_ATTR_NAME_CUMULUS</name>
+        <ec>
+          <value>0x10</value>
+          <test>LESS_THAN_OR_EQUAL</test>
+        </ec>
+      </chip>
+    </chipEcFeature>
+  </attribute>
+
   <!-- ********************************************************************* -->
   <attribute>
     <id>ATTR_CHIP_EC_FEATURE_P9_NO_NDL_IOVALID</id>