Add RCD_PARITY_ERROR enum value to ATTR_RECONFIGURE_LOOP

This attribute was missing the enum value on the EKB side. This
caused problems when we attempted to generate all hb side of xml

Change-Id: I463c6318fd796a1af5ec50a17323e7b68fe198e2
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/41786
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: Hostboot CI <hostboot-ci+hostboot@us.ibm.com>
Reviewed-by: Dean Sanner <dsanner@us.ibm.com>
Reviewed-by: Joseph J. McGill <jmcgill@us.ibm.com>
Reviewed-by: LUCAS W. MULKEY <lwmulkey@us.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/gerrit1/55833
Reviewed-by: Sachin Gupta <sgupta2m@in.ibm.com>
Tested-by: Sachin Gupta <sgupta2m@in.ibm.com>

src/import/hwpf/fapi2/xml/attribute_info/system_attributes.xml

@@ -87,7 +87,8 @@
     <valueType>uint8</valueType>
     <enum>
         DECONFIGURE      = 0x1,
-        BAD_DQ_BIT_SET   = 0x2
+        BAD_DQ_BIT_SET   = 0x2,
+        RCD_PARITY_ERROR = 0x4
     </enum>
     <writeable/>
   </attribute>