BaseTools: Refactor python print statements

Refactor print statements to be compatible with python 3.
Based on "futurize -f libfuturize.fixes.fix_print_with_import"

Contributed-under: TianoCore Contribution Agreement 1.1
Cc: Yonghong Zhu <yonghong.zhu@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Signed-off-by: Gary Lin <glin@suse.com>
Reviewed-by: Yonghong Zhu <yonghong.zhu@intel.com>

BaseTools/Scripts/FormatDosFiles.py

@@ -16,6 +16,7 @@
 #
 # Import Modules
 #
+from __future__ import print_function
 import argparse
 import os
 import os.path