Update the URL since http://edk2.tianocore.org is not valid Cc: Liming Gao <liming.gao@intel.com> Cc: Jeff Fan <jeff.fan@intel.com> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Yonghong Zhu <yonghong.zhu@intel.com> Reviewed-by: Liming Gao <liming.gao@intel.com> Reviewed-by: Jeff Fan <jeff.fan@intel.com>