[U-Boot] [PATCH v2 01/16] fdt: Sync libfdt up to upstream

[sjg at google.com]

Add upstream changes to U-Boot:

- new pylibfdt functions
- fdt_setprop_placeholder()

Signed-off-by: Simon Glass <sjg at chromium.org>
---

Changes in v2: None

 lib/libfdt/fdt_rw.c          | 20 ++++++++++++---
 lib/libfdt/libfdt.h          | 31 +++++++++++++++++++++++
 lib/libfdt/pylibfdt/libfdt.i | 58 ++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 106 insertions(+), 3 deletions(-)

Applied to u-boot-fdt thanks!