Simon Glass 644ec0a933 dm: core: Add livetree access functions ...

Add a basic assortment of functions to access the live device tree. These
come from Linux v4.9 and are modified for U-Boot to the minimum extent
possible. While these functions are now very stable in Linux, it will be
possible to merge in fixes if needed.

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

2017-06-01 07:03:06 -06:00

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