dt-bindings: arm: add TQMa8XxS boards

TQMa8XxS is a SOM series featuring NXP i.MX8X SoC.
They are called TQMa8XQPS and TQMa8XDPS respectively.
MB-SMARC-2 is a carrier reference design.

Signed-off-by: Markus Niebel <[email protected]>
Signed-off-by: Alexander Stein <[email protected]>
Acked-by: Rob Herring (Arm) <[email protected]>
Signed-off-by: Shawn Guo <[email protected]>

Author: tq-niebelm

Documentation/devicetree/bindings/arm/fsl.yaml

@@ -1352,6 +1352,22 @@ properties:
               - const: tq,imx8qxp-tqma8xqp     # TQ-Systems GmbH TQMa8XQP SOM (with i.MX8QXP)
               - const: fsl,imx8qxp
 
+      - description:
+          TQMa8XxS is a series of SOM featuring NXP i.MX8X system-on-chip
+          variants. It has the SMARC-2.0 form factor and is designed to be placed on
+          different carrier boards. MB-SMARC-2 is a carrier reference design.
+        oneOf:
+          - items:
+              - enum:
+                  - tq,imx8qxp-tqma8xqps-mb-smarc-2 # TQ-Systems GmbH TQMa8QXPS SOM on MB-SMARC-2
+              - const: tq,imx8qxp-tqma8xqps         # TQ-Systems GmbH TQMa8QXPS SOM
+              - const: fsl,imx8qxp
+          - items:
+              - enum:
+                  - tq,imx8dxp-tqma8xdps-mb-smarc-2 # TQ-Systems GmbH TQMa8XDPS SOM on MB-SMARC-2
+              - const: tq,imx8dxp-tqma8xdps         # TQ-Systems GmbH TQMa8XDPS SOM
+              - const: fsl,imx8dxp
+
       - description: i.MX8ULP based Boards
         items:
           - enum: