PRD: add adjustible MNFG threshold for memory MPEs

Change-Id: I247e8fd0bf73aaa18f079eed7d65769c398d02ec
RTC: 165384
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/38407
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: Caleb N. Palmer <cnpalmer@us.ibm.com>
Reviewed-by: Benjamin J. Weisenbeck <bweisenb@us.ibm.com>
Reviewed-by: Brian J. Stegmiller <bjs@us.ibm.com>
Reviewed-by: Zane C. Shelley <zshelle@us.ibm.com>

src/usr/targeting/common/xmltohb/attribute_types.xml

@@ -17489,6 +17489,22 @@ Measured in GB</description>
     <readable/>
 </attribute>
 
+<attribute>
+    <id>MNFG_TH_MEMORY_IMPES</id>
+    <description>
+      With MNFG thresholds enabled, PRD will make a predictive callout when a
+      memory intermittent MPE attention count is equal to this value. A value of
+      0 defaults to the max threshold of 0xff.
+    </description>
+    <simpleType>
+      <uint8_t>
+        <default>1</default>
+      </uint8_t>
+    </simpleType>
+    <persistency>non-volatile</persistency>
+    <readable/>
+</attribute>
+
 <!-- === end configurable threshold attributes for PRD === -->
 
 <!-- === start RCD parity error reconfig loop attributes for PRD/MDIA === -->

src/usr/targeting/common/xmltohb/target_types.xml

@@ -686,6 +686,7 @@
     <attribute><id>MNFG_TH_CEN_L4_CACHE_CES</id></attribute>
     <attribute><id>MNFG_TH_RCD_PARITY_ERRORS</id></attribute>
     <attribute><id>MNFG_TH_MEMORY_IUES</id></attribute>
+    <attribute><id>MNFG_TH_MEMORY_IMPES</id></attribute>
     <attribute><id>RCD_PARITY_RECONFIG_LOOPS_ALLOWED</id></attribute>
     <attribute><id>RCD_PARITY_RECONFIG_LOOP_COUNT</id></attribute>
     <attribute><id>OPT_MEMMAP_GROUP_POLICY</id></attribute>