Adds lab MCBIST compare masking functionality

Change-Id: Ie7a3cc35dfff7e6252c6c1be35466c43a0512eae
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/80781
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: Mark Pizzutillo <mark.pizzutillo@ibm.com>
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: Hostboot CI <hostboot-ci+hostboot@us.ibm.com>
Reviewed-by: Louis Stermole <stermole@us.ibm.com>
Reviewed-by: Jennifer A Stofer <stofer@us.ibm.com>
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/80791
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com>
Reviewed-by: Daniel M Crowell <dcrowell@us.ibm.com>

src/import/chips/ocmb/explorer/common/include/explorer_scom_addresses_fixes.H

@@ -3146,5 +3146,6 @@ static const uint64_t EXP_DDR4_PHY_DBYTE9_RXPBDLYTG3_R5 = 0x040655acull;
 static const uint64_t EXP_DDR4_PHY_DBYTE9_RXPBDLYTG3_R6 = 0x040659acull;
 static const uint64_t EXP_DDR4_PHY_DBYTE9_RXPBDLYTG3_R7 = 0x04065dacull;
 static const uint64_t EXP_DDR4_PHY_DBYTE9_RXPBDLYTG3_R8 = 0x040661acull;
+static const uint64_t EXPLR_RDF_MCBCM2                  = 0x08011c35ull;
 
 #endif

src/import/chips/ocmb/explorer/common/include/explorer_scom_addresses_fld_fixes.H

@@ -46,5 +46,7 @@ static const uint8_t EXPLR_MCBIST_MBSSYMEC9Q_MODAL_SYMBOL_COUNTER_78           =
 static const uint8_t EXPLR_MCBIST_MBSSYMEC9Q_MODAL_SYMBOL_COUNTER_78_LEN       = 8   ;
 static const uint8_t EXPLR_MCBIST_MBSSYMEC9Q_MODAL_SYMBOL_COUNTER_79           = 56  ;
 static const uint8_t EXPLR_MCBIST_MBSSYMEC9Q_MODAL_SYMBOL_COUNTER_79_LEN       = 8   ;
+static const uint8_t EXPLR_RDF_MCBCM2_MCBIST_HALF_COMPARE_MASK                 = 0   ;
+static const uint8_t EXPLR_RDF_MCBCM2_MCBIST_HALF_COMPARE_MASK_LEN             = 40  ;
 
 #endif