media: dt-bindings: media: rockchip-vpu: Add PX30 compatible

The Rockchip PX30 SoC has a Hantro VPU that features a decoder (VDPU2)
and an encoder (VEPU2).
Suggested-by: Alex Bee <knaerzche@gmail.com>
Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

Documentation/devicetree/bindings/media/rockchip-vpu.yaml

@@ -22,6 +22,7 @@ properties:
           - rockchip,rk3288-vpu
           - rockchip,rk3328-vpu
           - rockchip,rk3399-vpu
+          - rockchip,px30-vpu
       - items:
           - const: rockchip,rk3188-vpu
           - const: rockchip,rk3066-vpu