Added RCD Protect time and MNFG Flag check to unmask function

Change-Id: I641790e4300447caf78d54ab2b546cc90d796384
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/37597
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: Hostboot CI <hostboot-ci+hostboot@us.ibm.com>
Reviewed-by: JACOB L. HARVEY <jlharvey@us.ibm.com>
Reviewed-by: STEPHEN GLANCY <sglancy@us.ibm.com>
Reviewed-by: Thi N. Tran <thi@us.ibm.com>
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/55832
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

@@ -56,9 +56,9 @@
     <valueType>uint64</valueType>
     <enum>
         MNFG_NO_FLAG                        = 0x0000000000000000,
+        MNFG_THRESHOLDS                     = 0x0000000000000001,
         MNFG_DISABLE_DRAM_REPAIRS           = 0x0000000000000080
 <!--
-        MNFG_THRESHOLDS                     = 0x0000000000000001,
         MNFG_AVP_ENABLE                     = 0x0000000000000002,
         MNFG_HDAT_AVP_ENABLE                = 0x0000000000000004,
         MNFG_SRC_TERM                       = 0x0000000000000008,