We meet a corner case that build different DSC file, but the DSC file use same build output directory, and the different DSC file use a same PCD with different Pcd Type, it cause build failure. Cc: Liming Gao <liming.gao@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>