@param OldCoreData Pointer to Old PeiCore's private data.\r
If NULL, PeiCore is entered at first time, stack/heap in temporary memory.\r
If not NULL, PeiCore is entered at second time, stack/heap has been moved\r
@param OldCoreData Pointer to Old PeiCore's private data.\r
If NULL, PeiCore is entered at first time, stack/heap in temporary memory.\r
If not NULL, PeiCore is entered at second time, stack/heap has been moved\r