Mark EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS as deprecated. Also update some function descriptors accordingly. Cc: Long Qin <qin.long@intel.com> Cc: Star Zeng <star.zeng@intel.com> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Chao Zhang <chao.b.zhang@intel.com> Reviewed-by: Long Qin <qin.long@intel.com>