BaseTools: Fix bug for --pcd VOID* type when no max size is specified
BaseTools: Fix bug for --pcd VOID* type when no max size is specified

when VOID* type non-structure pcd used in --pcd, and its max size is not
specified in DSC or its value is hex value, build break due to the code
int(Pcd.MaxDatumSize,10).
Now this patch remove this code, because tool will calculate the size
info in later phase.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Yonghong Zhu <78d981fe33a016071af5222c56d5cf77f30fb0b2@intel.com>
Reviewed-by: Liming Gao <6480311aeeb4b006862f6d13ebabddc03f51e507@intel.com>

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