dt-bindings: nvmem: sfp: add ref to nvmem-deprecated-cells.yaml

Add ref nvmem-deprecated-cells.yaml to support old style binding.

Fix below CHECK_DTBS warning.
efuse@1e80000: Unevaluated properties are not allowed ('unique-id@1c' was unexpected)

Signed-off-by: Frank Li <[e-mail]>
Reviewed-by: Krzysztof Kozlowski <[e-mail]>
Signed-off-by: Srinivas Kandagatla <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

Documentation/devicetree/bindings/nvmem/fsl,layerscape-sfp.yaml

···
 
 allOf:
   - $ref: nvmem.yaml#
+  - $ref: nvmem-deprecated-cells.yaml
 
 properties:
   compatible: