moveconfig: Use fd.write() instead of print >>

Adjust this code so that it can work with Python 2 and 3.

Fixes: d73fcb12 (moveconfig: Support building a simple config database)
Reported-by: NChris Packham <judge.packham@gmail.com>
Signed-off-by: NSimon Glass <sjg@chromium.org>

lib/libfdt/pylibfdt/libfdt.i

@@ -8,6 +8,8 @@
 
 %module libfdt
 
+%include <stdint.i>
+
 %{
 #define SWIG_FILE_WITH_INIT
 #include "libfdt.h"

tools/moveconfig.py

@@ -1877,10 +1877,10 @@ def main():
     if options.build_db:
         with open(CONFIG_DATABASE, 'w') as fd:
             for defconfig, configs in config_db.iteritems():
-                print >>fd, '%s' % defconfig
+                fd.write('%s\n' % defconfig)
                 for config in sorted(configs.keys()):
-                    print >>fd, '   %s=%s' % (config, configs[config])
-                print >>fd
+                    fd.write('   %s=%s\n' % (config, configs[config]))
+                fd.write('\n')
 
 if __name__ == '__main__':
     main()