[U-Boot] [PATCH] moveconfig: Use fd.write() instead of print >>

[sjg at google.com]

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

Fixes: d73fcb1 (moveconfig: Support building a simple config database)
Reported-by: Chris Packham <judge.packham at gmail.com>
Signed-off-by: Simon Glass <sjg at chromium.org>
---

 lib/libfdt/pylibfdt/libfdt.i | 2 ++
 tools/moveconfig.py          | 6 +++---
 2 files changed, 5 insertions(+), 3 deletions(-)

Applied to u-boot-dm, thanks!