dt-bindings: nvmem: sl28cpld: add sa67mcu compatible

The Kontron SMARC-sAM67 has the same nvmem layout as the SMARC-sAL28. To
To be prepared for any board specific quirks, add a specific compatible.

Signed-off-by: Michael Walle <mwalle@kernel.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Srinivas Kandagatla <srini@kernel.org>
Link: https://lore.kernel.org/r/20250912131415.303407-4-srini@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Author: mwalle

Documentation/devicetree/bindings/nvmem/layouts/kontron,sl28-vpd.yaml

@@ -19,7 +19,12 @@ select: false
 
 properties:
   compatible:
-    const: kontron,sl28-vpd
+    oneOf:
+      - items:
+          - enum:
+              - kontron,sa67-vpd
+          - const: kontron,sl28-vpd
+      - const: kontron,sl28-vpd
 
   serial-number:
     type: object