Update p9n_23 engd with n23_e9108_3_tp105_ec408_soa_sc_u138_01 data

Change-Id: Ib586128b6152c2afb300b984c115d0d9fa8e0e15
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/59588
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: Thi N. Tran <thi@us.ibm.com>
Reviewed-by: James N. Klazynski <jklazyns@us.ibm.com>
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/59596
Reviewed-by: Sachin Gupta <sgupta2m@in.ibm.com>

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

@@ -4006,7 +4006,21 @@
         <name>ENUM_ATTR_NAME_NIMBUS</name>
         <ec>
           <value>0x20</value>
-          <test>GREATER_THAN_OR_EQUAL</test>
+          <test>EQUAL</test>
+        </ec>
+      </chip>
+      <chip>
+        <name>ENUM_ATTR_NAME_NIMBUS</name>
+        <ec>
+          <value>0x21</value>
+          <test>EQUAL</test>
+        </ec>
+      </chip>
+      <chip>
+        <name>ENUM_ATTR_NAME_NIMBUS</name>
+        <ec>
+          <value>0x22</value>
+          <test>EQUAL</test>
         </ec>
       </chip>
       <chip>