dt-bindings: arm: fsl: Add phyBOARD-Segin-i.MX93

Add support for phyBOARD-Segin-i.MX93 board.
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Mathieu Othacehe <othacehe@gnu.org>
Reviewed-by: Wadim Egorov <w.egorov@phytec.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

Documentation/devicetree/bindings/arm/fsl.yaml

@@ -1292,6 +1292,12 @@ properties:
           - const: tq,imx93-tqma9352        # TQ-Systems GmbH i.MX93 TQMa93xxCA/LA SOM
           - const: fsl,imx93
 
+      - description: PHYTEC phyCORE-i.MX93 SoM based boards
+        items:
+          - const: phytec,imx93-phyboard-segin # phyBOARD-Segin with i.MX93
+          - const: phytec,imx93-phycore-som    # phyCORE-i.MX93 SoM
+          - const: fsl,imx93
+
       - description: Variscite VAR-SOM-MX93 based boards
         items:
           - const: variscite,var-som-mx93-symphony