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/Source/Python/Eot/c.py

@@ -15,6 +15,7 @@
 ##
 # Import Modules
 #
+from __future__ import print_function
 import sys
 import Common.LongFilePathOs as os
 import re
@@ -384,4 +385,4 @@ if __name__ == '__main__':
     EdkLogger.SetLevel(EdkLogger.QUIET)
     CollectSourceCodeDataIntoDB(sys.argv[1])
 
-    print 'Done!'
+    print('Done!')