This feature is aimed to allow OS make use of the HII database during runtime. In this case, the contents of the HII Database is exported to a buffer. The pointer to the buffer is placed in the EFI System Configuration Table, where it can be retrieved by an OS application. Cc: Liming Gao <liming.gao@intel.com> Cc: Eric Dong <eric.dong@intel.com> Cc: Brian J. Johnson <bjohnson@sgi.com> Cc: Andrew Fish <afish@apple.com> Cc: El-Haj-Mahmoud Samer <samer.el-haj-mahmoud@hpe.com> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Dandan Bi <dandan.bi@intel.com> Reviewed-by: Liming Gao <liming.gao@intel.com> Reviewed-by: Eric Dong <eric.dong@intel.com>