[U-Boot] [PATCH 1/5] core: ofnode: add ofnode_get_parent function

[Anatolij Gustschin]

On Fri, 23 Feb 2018 17:38:49 +0100
Philipp Tomsich philipp.tomsich at theobroma-systems.com wrote:

> The Rockchip video drivers need to walk the ofnode-parrents to find
> an enclosing device that has a UCLASS_DISPLAY driver bound.  This
> adds a ofnode_get_parent()-function that returns the parent-node.
> 
> Signed-off-by: Philipp Tomsich <philipp.tomsich at theobroma-systems.com>
> Tested-by: Klaus Goger <klaus.goger at theobroma-systems.com>

Reviewed-by: Anatolij Gustschin <agust at denx.de>