When applying the original patch [1], the DT binding docs were lost.
This patch adds them back.
[1] https://patchwork.kernel.org/patch/9852997/
Fixes: e0be864f14 ("ARC: reset: introduce HSDKv1 reset driver")
Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>