dt-bindings: arm: Add devicetree binding for Thor96 Board

Add devicetree binding for Thor96 Board from Einfochips. This board is
one of the 96Boards Consumer Edition platform powered by NXP i.MX8MQ SoC.
Signed-off-by: NManivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: NMarco Felsch <m.felsch@pengutronix.de>
Acked-by: NRob Herring <robh@kernel.org>
Signed-off-by: NShawn Guo <shawnguo@kernel.org>

Documentation/devicetree/bindings/arm/fsl.yaml

@@ -287,6 +287,7 @@ properties:
         items:
           - enum:
               - boundary,imx8mq-nitrogen8m # i.MX8MQ NITROGEN Board
+              - einfochips,imx8mq-thor96  # i.MX8MQ Thor96 Board
               - fsl,imx8mq-evk            # i.MX8MQ EVK Board
               - google,imx8mq-phanbell    # Google Coral Edge TPU
               - purism,librem5-devkit     # Purism Librem5 devkit