When the PCD value is set to TRUE or FALSE, while it is not exchanged to
its int value, it cause error in the function int(Pcd.DefaultValue, 0).
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>