dt-bindings: arm: rockchip: Add Turing RK1

Add the Turing RK1, a Jetson-compatible system-on-module (SoM)
powered by RK3588, from Turing Machines, Inc.
Signed-off-by: Sam Edwards <CFSworks@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20231011225823.2542262-3-CFSworks@gmail.comSigned-off-by: Heiko Stuebner <heiko@sntech.de>

Documentation/devicetree/bindings/arm/rockchip.yaml

@@ -880,6 +880,11 @@ properties:
           - const: tronsmart,orion-r68-meta
           - const: rockchip,rk3368
 
+      - description: Turing RK1
+        items:
+          - const: turing,rk1
+          - const: rockchip,rk3588
+
       - description: Xunlong Orange Pi 5 Plus
         items:
           - const: xunlong,orangepi-5-plus