P9 Cumulus InitCompiler supportis - Part 3

  - Update *.mk files to support p9c chip ID
  - Workaround some spy issues p9c 10 engd issues
  - Fix bug to allow compilation without ENGD

Change-Id: I9ba7057ddf5271a633bb87d8aa4df3a4b572d153
Original-Change-Id: Ie94b55c93081108668725d3ee9b88bd34eaa794f
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/40904
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: Joseph J. McGill <jmcgill@us.ibm.com>
Reviewed-by: Benjamin Gass <bgass@us.ibm.com>
Reviewed-by: Richard J. Knight <rjknight@us.ibm.com>
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/55520
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

@@ -3674,16 +3674,17 @@
       </chip>
     </chipEcFeature>
   </attribute>
-  <!-- ********************************************************************* -->
+  <!-- ******************************************************************** -->
   <attribute>
-    <id>ATTR_CHIP_EC_FEATURE_HAS_DMI</id>
+    <id>ATTR_CHIP_EC_FEATURE_RTC_174656_SKIP_CUMULUS</id>
     <targetType>TARGET_TYPE_PROC_CHIP</targetType>
     <description>
-      Returns if a chip has a DMI link
+      Only apply spy to Nimbus, skip for Cumulus.
+      This is because p9c_10.spydef doesn't have the spy yet.
     </description>
     <chipEcFeature>
       <chip>
-        <name>ENUM_ATTR_NAME_CUMULUS</name>
+        <name>ENUM_ATTR_NAME_NIMBUS</name>
         <ec>
           <value>0x10</value>
           <test>GREATER_THAN_OR_EQUAL</test>