dt-bindings: eeprom: at24: Add compatible for ONSemi N24S64B

The ONSemi N24S64B is a 64 KBit serial EEPROM that is compatible
with atmel,24c64.

Signed-off-by: Frieder Schrempf <[email protected]>
Acked-by: Krzysztof Kozlowski <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Bartosz Golaszewski <[email protected]>

Author: fschrempf

Documentation/devicetree/bindings/eeprom/at24.yaml

@@ -128,6 +128,9 @@ properties:
       - items:
           - const: giantec,gt24c32a
           - const: atmel,24c32
+      - items:
+          - const: onnn,n24s64b
+          - const: atmel,24c64
       - items:
           - enum:
               - renesas,r1ex24128