L3 update -- p9_fbc_eff_config

- add HE epsilon tables, remove todo comments
- update p9_fbc_eff_config_calc_epsilons arguments (all const) and doxygen
- create unique error to distinguish unsupported epsilon table type, and table
  content or scaling errors
- add minimum supported core frequency FFDC to core versus nest frequency ratio
  errors

Change-Id: I8f2da59ffb3f42babc456d28c89b176b9a34b9d7
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/40235
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: PPE CI <ppe-ci+hostboot@us.ibm.com>
Reviewed-by: Thi N. Tran <thi@us.ibm.com>
Tested-by: Hostboot CI <hostboot-ci+hostboot@us.ibm.com>
Reviewed-by: DHRUVARAJ SUBHASH CHANDRAN <dhruvaraj@in.ibm.com>
Reviewed-by: Matt K. Light <mklight@us.ibm.com>
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/40244
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: Sachin Gupta <sgupta2m@in.ibm.com>

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

@@ -661,7 +661,8 @@
   <valueType>uint8</valueType>
   <enum>
     EPS_TYPE_LE = 0x01,
-    EPS_TYPE_HE = 0x02
+    EPS_TYPE_HE = 0x02,
+    EPS_TYPE_HE_F8 = 0x03
   </enum>
   <platInit/>
 </attribute>