spi: dt-bindings: nxp,imx94-xspi: add nxp,imx952-xspi

Document i.MX952 XSPI compatible, which is derived from
i.MX94 XSPI.

Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Link: https://patch.msgid.link/20260114-xspi-imx952-v1-1-acc60a5a2a9d@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>

Author: BoughChen

Documentation/devicetree/bindings/spi/nxp,imx94-xspi.yaml

@@ -15,6 +15,10 @@ properties:
     oneOf:
       - enum:
           - nxp,imx94-xspi
+      - items:
+          - enum:
+              - nxp,imx952-xspi
+          - const: nxp,imx94-xspi
 
   reg:
     items: