for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase.\r
If Guid is NULL, then ASSERT().\r
If there is no additional space for HOB creation, then ASSERT().\r
for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase.\r
If Guid is NULL, then ASSERT().\r
If there is no additional space for HOB creation, then ASSERT().\r