Adding attribute to detect which processor we can use for alt-memory

Change-Id: I5e0435c5828dcaddb8571afdbd298c08400cb0e4
RTC:176434
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/54585
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins Server <pfd-jenkins+hostboot@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: Sachin Gupta <sgupta2m@in.ibm.com>
Reviewed-by: William G. Hoffa <wghoffa@us.ibm.com>
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/54598

src/import/chips/p9/procedures/xml/attribute_info/p9_sbe_attributes.xml

@@ -573,4 +573,8 @@ attribute tank
           <name>ATTR_ENABLE_MEM_EARLY_DATA_SCOM</name>
           <value>0x0</value>
   </entry>
+  <entry>
+          <name>ATTR_PROC_CHIP_MEM_TO_USE</name>
+          <value>0x00</value>
+  </entry>
 </entries>

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

@@ -752,4 +752,16 @@
   <platInit/>
 </attribute>
 
+<attribute>
+  <id>ATTR_PROC_CHIP_MEM_TO_USE</id>
+  <targetType>TARGET_TYPE_SYSTEM</targetType>
+  <description>This attribute denotes where our master proc's memory is
+    located. In the case that the master-proc does not have usable memory,
+    we are going to use another proc's memory to boot. The attribute will be
+    set to the chip and group ID of which proc we want to use.</description>
+  <valueType>uint8</valueType>
+  <persistRuntime/>
+  <platInit/>
+</attribute>
+
 </attributes>