Restore DRAM repairs function not deploying port0 spare

    -Stack variable was being overwriten by memset,
     this chnages adjusts the length in memset to correct value.

Change-Id: I16c164ac1cca23adf559f79e983192e6ceeefb42
CQ:SW439017
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/64948
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: Hostboot CI <hostboot-ci+hostboot@us.ibm.com>
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/64968
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: Christian R. Geddes <crgeddes@us.ibm.com>

src/import/chips/centaur/procedures/hwp/memory/p9c_mss_maint_cmds.C

@@ -4703,7 +4703,7 @@ fapi2::ReturnCode mss_restore_DRAM_repairs_asm( const fapi2::Target<fapi2::TARGE
     }
 
     memset(l_steer, MSS_INVALID_SYMBOL, 8 * 3);
-    memset(l_mark_store, MSS_INVALID_SYMBOL, 8 * 3);
+    memset(l_mark_store, MSS_INVALID_SYMBOL, 8 * 2);
 
     // For each port in the given MBA:0,1
     for(l_port = 0; l_port < MAX_PORTS_PER_MBA; l_port++ )