When the Pcd defined in components section, its value's size is larger
than the value's size in [pcd] section, it cause build error, because
original code use the size get in [pcd] section as max size.
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Yonghong Zhu <yonghong.zhu@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>