[U-Boot] [PATCH v3 19/72] dm: core: Add a way to find a device by ofnode

[sjg at google.com]

Add a function which looks up a device by its node (either in live tree
or flat tree).

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

Changes in v3: None
Changes in v2: None

 drivers/core/uclass.c        | 37 +++++++++++++++++++++++++++++++++++++
 include/dm/uclass-internal.h | 18 ++++++++++++++++++
 include/dm/uclass.h          | 17 +++++++++++++++++
 3 files changed, 72 insertions(+)

Applied to u-boot-dm