dt-bindings: arm: Add emtrion hardware emCON-MX8M Mini

This patch presents the yaml patch for the emtrion GmbH
emCON-MX8M Mini.
Signed-off-by: Reinhold Mueller <reinhold.mueller@emtrion.com>
Acked-by: Rob Herring <robh+dt@kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

Documentation/devicetree/bindings/arm/fsl.yaml

@@ -762,6 +762,7 @@ properties:
           - enum:
               - beacon,imx8mm-beacon-kit  # i.MX8MM Beacon Development Kit
               - boundary,imx8mm-nitrogen8mm  # i.MX8MM Nitrogen Board
+              - emtrion,emcon-mx8mm-avari # emCON-MX8MM SoM on Avari Base
               - fsl,imx8mm-ddr4-evk       # i.MX8MM DDR4 EVK Board
               - fsl,imx8mm-evk            # i.MX8MM EVK Board
               - gw,imx8mm-gw71xx-0x       # i.MX8MM Gateworks Development Kit