define a flexible pcd format in Dyanmic/DynamicExDefault section, it cause build error. [PcdsDynamicExDefault.common.DEFAULT] pcdToken.Name|{GUID("11111111-2222-42eb-b5eb-fef31d207cb4")} Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Yonghong Zhu <yonghong.zhu@intel.com> Reviewed-by: Liming Gao <liming.gao@intel.com>