dt-bindings: can: fsl,flexcan: add i.MX94 support

Add compatible string "fsl,imx94-flexcan" for the i.MX94 chip, which
is backward compatible with i.MX95. Set it to fall back to
"fsl,imx95-flexcan".

Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20250307190816.2971810-1-Frank.Li@nxp.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

Documentation/devicetree/bindings/net/can/fsl,flexcan.yaml

@@ -45,6 +45,10 @@ properties:
           - enum:
               - nxp,s32g3-flexcan
           - const: nxp,s32g2-flexcan
+      - items:
+          - enum:
+              - fsl,imx94-flexcan
+          - const: fsl,imx95-flexcan
 
   reg:
     maxItems: 1