Add mcbist L2 function

Change-Id: I59bbb7281b766342eb7946e82f1f72fded40cf35
Original-Change-Id: I8b98c188d6a642eb49d89deffcbd697d9cf7afdc
Reviewed-on: http://gfw160.aus.stglabs.ibm.com:8080/gerrit/23895
Tested-by: Jenkins Server
Reviewed-by: Craig C. Hamilton <cchamilt@us.ibm.com>
Reviewed-by: Andre A. Marin <aamarin@us.ibm.com>
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/70337
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Reviewed-by: Sachin Gupta <sgupta2m@in.ibm.com>

src/import/chips/p9/procedures/xml/error_info/p9_memory_mss_lib.xml

@@ -111,5 +111,11 @@
       <target>TARGET_IN_ERROR</target>
     </deconfigure>
   </hwpError>
-
+
+  <hwpError>
+    <rc>RC_MSS_MCBIST_PROGRAM_TOO_BIG</rc>
+    <description>MCBIST program larger than currently supported size</description>
+    <ffdc>PROGRAM_LENGTH</ffdc>
+  </hwpError>
+
 </hwpErrors>