K 10
svn:author
V 4
manu
K 8
svn:date
V 27
2020-06-16T20:22:56.486462Z
K 7
svn:log
V 387
MFC r346332:

ofw_graph: Add functions for graph bindings

Those functions are helpers to work on graph bindings.
graphs are mostly use with video related devices.
See https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/devicetree/bindings/graph.txt?id=4436a3711e3249840e0679e92d3c951bcaf25515

Differential Revision:	https://reviews.freebsd.org/D19877

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