tree 7ec0604bb2102c0520ec44f596f91c7a0c5d8785
parent a6eedb88a6d036dba7715d2856c54030824cb772
author Simon Glass <sjg@chromium.org> 1495159734 -0600
committer Simon Glass <sjg@chromium.org> 1496322186 -0600

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>