Add new attributes for memory freq calculations

Change-Id: I4910312a5fef8c31494256c043b4701951f7f56b
Original-Change-Id: I8e0a296e7e942335aaffb88467e62fcdc526c90e
Reviewed-on: http://gfw160.aus.stglabs.ibm.com:8080/gerrit/23439
Tested-by: Jenkins Server
Reviewed-by: Brian Silver <bsilver@us.ibm.com>
Reviewed-by: Andre A. Marin <aamarin@us.ibm.com>
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/42145
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/freq_attributes.xml

@@ -50,4 +50,31 @@
     <platInit/>
   </attribute>
   <!-- ********************************************************************* -->
+  <attribute>
+    <id>ATTR_MEM_IN_SYNCH_MODE</id>
+    <targetType>TARGET_TYPE_SYSTEM</targetType>
+    <description>
+      Run the memory clocks in synchronous mode with the nest clocks.
+    </description>
+    <valueType>uint8</valueType>
+    <platInit/>
+  </attribute>
+  <!-- ********************************************************************* -->
+  <attribute>
+    <id>ATTR_MAX_ALLOWED_DIMM_FREQ</id>
+    <targetType>TARGET_TYPE_SYSTEM</targetType>
+    <description>
+      Maximum frequency (in MHz) that this system can run the DIMMs at.
+      There are 4 possible values determined by the dimm configuration.
+        [0]=One rank, single drop
+        [1]=Two rank, single drop
+        [2]=One rank, dual drop
+        [3]=Two rank, dual drop
+      A value of zero would indicate an unsupported configuration.
+    </description>
+    <valueType>uint32</valueType>
+    <array>4</array>
+    <platInit/>
+  </attribute>
+  <!-- ********************************************************************* -->
 </attributes>