dt-bindings: arm: fsl: Add GOcontroll Moduline IV/Mini

Document the compatible strings for the Moduline IV and Mini.
Also add a compatible for the Ka-Ro Electronics TX8M-1610 SoM that they
are based on.

Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Maud Spierings <maudspierings@gocontroll.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>

Author: SpieringsAE

Documentation/devicetree/bindings/arm/fsl.yaml

@@ -996,6 +996,14 @@ properties:
           - const: engicam,icore-mx8mm             # i.MX8MM Engicam i.Core MX8M Mini SoM
           - const: fsl,imx8mm
 
+      - description: Ka-Ro Electronics TX8M-1610 based boards
+        items:
+          - enum:
+              - gocontroll,moduline-iv-306-d
+              - gocontroll,moduline-mini-111
+          - const: karo,tx8m-1610
+          - const: fsl,imx8mm
+
       - description: Kontron BL i.MX8MM (N801X S) Board
         items:
           - const: kontron,imx8mm-bl