Img Build: HOMER changes for SMF and SPR self save.

Commit conditionnally creates a new self restore region
memory layout. It also adds support for self save of SPR.
HWP detects the version of self restore code loaded and
based on that it retains legacy self restore layout or
the new layout.
Key_Cronus_Test=PM_REGRESS

Change-Id: I0a9723870e63b1dd70c8163cc6a13c35d9cb78ca
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/66218
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Dev-Ready: Gregory S. Still <stillgs@us.ibm.com>
Tested-by: HWSV CI <hwsv-ci+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: Gregory S. Still <stillgs@us.ibm.com>
Tested-by: Cronus HW CI <cronushw-ci+hostboot@us.ibm.com>
Reviewed-by: RANGANATHPRASAD G. BRAHMASAMUDRA <prasadbgr@in.ibm.com>
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/66219
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: Sachin Gupta <sgupta2m@in.ibm.com>

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

@@ -7905,4 +7905,28 @@
     </chipEcFeature>
   </attribute>
   <!-- ******************************************************************** -->
+  <attribute>
+    <id>ATTR_CHIP_EC_FEATURE_HW403111</id>
+    <targetType>TARGET_TYPE_PROC_CHIP</targetType>
+    <description>
+     mtspr URMOR, rX will add the PPC instruction text to the Rx value
+    </description>
+    <chipEcFeature>
+      <chip>
+        <name>ENUM_ATTR_NAME_NIMBUS</name>
+        <ec>
+          <value>0x22</value>
+          <test>LESS_THAN_OR_EQUAL</test>
+        </ec>
+      </chip>
+      <chip>
+        <name>ENUM_ATTR_NAME_CUMULUS</name>
+        <ec>
+          <value>0x13</value>
+          <test>LESS_THAN_OR_EQUAL</test>
+        </ec>
+      </chip>
+    </chipEcFeature>
+  </attribute>
+  <!-- ******************************************************************** -->
 </attributes>