dt-bindings: arm: fsl: Add chargebyte Tarragon

This adds the compatibles for the chargebyte Tarragon boards.

Signed-off-by: Stefan Wahren <stefan.wahren@chargebyte.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

Author: lategoodbye

Documentation/devicetree/bindings/arm/fsl.yaml

@@ -707,6 +707,15 @@ properties:
           - const: armadeus,imx6ull-opos6ul     # OPOS6UL (i.MX6ULL) SoM
           - const: fsl,imx6ull
 
+      - description: i.MX6ULL chargebyte Tarragon Boards
+        items:
+          - enum:
+              - chargebyte,imx6ull-tarragon-master
+              - chargebyte,imx6ull-tarragon-micro
+              - chargebyte,imx6ull-tarragon-slave
+              - chargebyte,imx6ull-tarragon-slavext
+          - const: fsl,imx6ull
+
       - description: i.MX6ULL DHCOM SoM based Boards
         items:
           - enum: