dt-bindings: phy: rockchip-inno-dsidphy: Add compatible for rk3506

Document a compatible string for the rk3506 dsi-dphy.

Signed-off-by: Chaoyi Chen <chaoyi.chen@rock-chips.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://patch.msgid.link/20251106020632.92-3-kernel@airkyi.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

Author: windowsair

Documentation/devicetree/bindings/phy/rockchip,px30-dsi-dphy.yaml

@@ -18,6 +18,7 @@ properties:
       - rockchip,px30-dsi-dphy
       - rockchip,rk3128-dsi-dphy
       - rockchip,rk3368-dsi-dphy
+      - rockchip,rk3506-dsi-dphy
       - rockchip,rk3568-dsi-dphy
       - rockchip,rv1126-dsi-dphy