DynamicHiiPcd may be used by PEIM or DXE driver. All used DynamicHiiPcd value should be collected and placed into the default setting PCD PcdNvStoreDefaultValueBuffer. Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Bob Feng <bob.c.feng@intel.com> Cc: Liming Gao <liming.gao@intel.com>