Allow lpc_ed for p9n 2.2 per HW418117 fix

Change-Id: I23eeb099239e61073659a1e4633e388f8db0a319
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/49535
Reviewed-by: Joseph J. McGill <jmcgill@us.ibm.com>
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: PPE CI <ppe-ci+hostboot@us.ibm.com>
Tested-by: HWSV CI <hwsv-ci+hostboot@us.ibm.com>
Reviewed-by: LUKE MURRAY <murrayl@us.ibm.com>
Tested-by: Hostboot CI <hostboot-ci+hostboot@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/49551
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com>
Reviewed-by: Christian R. Geddes <crgeddes@us.ibm.com>

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

@@ -1926,15 +1926,17 @@
     <id>ATTR_CHIP_EC_FEATURE_HW418117</id>
     <targetType>TARGET_TYPE_PROC_CHIP</targetType>
     <description>
-      Nimbus DDX.X: enable workarounds for HW418117 in FBC initfile
-      Disable lpc_ed to prevent lw.rty_other in numbus ddx.x, revert in p9c dd1.1
+      Nimbus DD2.1 and below: enable workarounds for HW418117 in FBC initfile
+      Cumulus DD1.0: enable workarounds for HW418117 in FBC initfile
+      Disable lpc_ed to prevent lw.rty_other in p9n dd2.1 and below, and in p9c dd1.0
+      revert in p9c dd1.1 and p9n dd2.2
     </description>
     <chipEcFeature>
       <chip>
         <name>ENUM_ATTR_NAME_NIMBUS</name>
         <ec>
-          <value>0x10</value>
-          <test>GREATER_THAN_OR_EQUAL</test>
+          <value>0x22</value>
+          <test>LESS_THAN</test>
         </ec>
       </chip>
       <chip>