dt-bindings: net: can: nxp,sja1000: add reference to mc-peripheral-props.yaml

Add a reference to mc-peripheral-props.yaml to allow vendor-specific
properties for memory access timings.

Fix below CHECK_DTBS warings:
arch/arm/boot/dts/nxp/imx/imx27-phytec-phycore-rdk.dtb: can@4,0 (nxp,sja1000): Unevaluated properties are not allowed ('fsl,weim-cs-timing' was unexpected)
        from schema $id: http://devicetree.org/schemas/net/can/nxp,sja1000.yaml

Signed-off-by: Frank Li <Frank.Li@nxp.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://patch.msgid.link/20260212163000.1195586-1-Frank.Li@nxp.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

Author: nxpfrankli

Documentation/devicetree/bindings/net/can/nxp,sja1000.yaml

@@ -87,6 +87,7 @@ required:
 
 allOf:
   - $ref: can-controller.yaml#
+  - $ref: /schemas/memory-controllers/mc-peripheral-props.yaml
   - if:
       properties:
         compatible: