This patch is used to support DNS4/6 GeneralLookUp feature. Cc: Subramanian Sriram <sriram-s@hpe.com> Cc: El-Haj-Mahmoud Samer <samer.el-haj-mahmoud@hpe.com> Cc: Ye Ting <ting.ye@intel.com> Cc: Fu Siyuan <siyuan.fu@intel.com> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jiaxin Wu <jiaxin.wu@intel.com> Reviewed-by: Ye Ting <ting.ye@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@19579 6f19259b-4bc3-4df7-8a09-765794883524