Add devicetree binding entry for the Radxa ROCK 4SE.

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Christopher Obbard <chris.obbard@collabora.com>
---

Changes in v2:
- Add Krzysztof Kozlowski's Acked-by tag.

 Documentation/devicetree/bindings/arm/rockchip.yaml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/arm/rockchip.yaml b/Documentation/devicetree/bindings/arm/rockchip.yaml
index ecdb72a519cb..3b7bf86cec02 100644
--- a/Documentation/devicetree/bindings/arm/rockchip.yaml
+++ b/Documentation/devicetree/bindings/arm/rockchip.yaml
@@ -694,6 +694,11 @@ properties:
           - const: radxa,rock-4c-plus
           - const: rockchip,rk3399
 
+      - description: Radxa ROCK 4SE
+        items:
+          - const: radxa,rock-4se
+          - const: rockchip,rk3399
+
       - description: Radxa ROCK Pi E
         items:
           - const: radxa,rockpi-e
-- 
2.40.1