dm: core: add ofnode_for_each_compatible_node()

Add a helper to iterate over all nodes with a given compatible string.

Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
1 file changed