Create dmi.pll.scan.initfile

Support sync and async mode for Cumulus MC

Default buckets are 1.

Change-Id: Icc2977f8199f8137fd2234a0f9c7bf7d77e43ccf
Original-Change-Id: I62d0221abf7f93030cb8c0200a456609ab4dfe04
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/40326
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>
Reviewed-by: Benjamin Gass <bgass@us.ibm.com>
Reviewed-by: Joseph J. McGill <jmcgill@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

@@ -47,6 +47,23 @@
     </chipEcFeature>
   </attribute>
   <!-- ********************************************************************* -->
+  <attribute>
+    <id>ATTR_CHIP_EC_FEATURE_DMI_MC_PLL_SCAN_BUCKETS</id>
+    <targetType>TARGET_TYPE_PROC_CHIP</targetType>
+    <description>
+      Use nest buckets for mc_pll_bndy for cumulus
+    </description>
+    <chipEcFeature>
+      <chip>
+        <name>ENUM_ATTR_NAME_CUMULUS</name>
+        <ec>
+          <value>0x10</value>
+          <test>GREATER_THAN_OR_EQUAL</test>
+        </ec>
+      </chip>
+    </chipEcFeature>
+  </attribute>
+  <!-- ********************************************************************* -->
   <attribute>
     <id>ATTR_CHIP_EC_FEATURE_EARLYMODE_FIX</id>
     <targetType>TARGET_TYPE_PROC_CHIP</targetType>