Add FAPI_ASSERT for unsupported SPD rank in RTT fetch

Change-Id: I10523ec048e04eebe35e55894949e54a796a2aa5
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/85430
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Dev-Ready: STEPHEN GLANCY <sglancy@us.ibm.com>
Reviewed-by: Mark Pizzutillo <mark.pizzutillo@ibm.com>
Tested-by: PPE CI <ppe-ci+hostboot@us.ibm.com>
Tested-by: Hostboot CI <hostboot-ci+hostboot@us.ibm.com>
Tested-by: HWSV CI <hwsv-ci+hostboot@us.ibm.com>
Reviewed-by: Louis Stermole <stermole@us.ibm.com>
Reviewed-by: STEPHEN GLANCY <sglancy@us.ibm.com>
Reviewed-by: Jennifer A Stofer <stofer@us.ibm.com>
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/85447
Reviewed-by: RAJA DAS <rajadas2@in.ibm.com>

src/import/generic/procedures/xml/error_info/generic_error.xml

@@ -504,6 +504,21 @@
     </deconfigure>
   </hwpError>
 
+  <hwpError>
+    <rc>RC_MSS_INVALID_SPD_RANK</rc>
+    <description>
+      Invalid rank passed into attribute engine.
+      May be due to problem in SPD.
+    </description>
+    <ffdc>FUNCTION</ffdc>
+    <ffdc>RANK</ffdc>
+    <ffdc>TARGET</ffdc>
+    <callout>
+      <procedure>CODE</procedure>
+      <priority>HIGH</priority>
+    </callout>
+  </hwpError>
+
   <hwpError>
     <rc>RC_MSS_INVALID_SPD_RESERVED_BITS</rc>
     <description>