dt-bindings: eeprom: at24: Move compatible for Belling BL24C16A to proper place

Merge the compatibles for the 24c16 types into a single list.

Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240702103155.321855-2-frieder@fris.de
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

Author: fschrempf

Documentation/devicetree/bindings/eeprom/at24.yaml

@@ -104,9 +104,6 @@ properties:
                   pattern: spd$
       # These are special cases that don't conform to the above pattern.
       # Each requires a standard at24 model as fallback.
-      - items:
-          - const: belling,bl24c16a
-          - const: atmel,24c16
       - items:
           - enum:
               - rohm,br24g01
@@ -124,7 +121,9 @@ properties:
               - rohm,br24g04
           - const: atmel,24c04
       - items:
-          - const: renesas,r1ex24016
+          - enum:
+              - belling,bl24c16a
+              - renesas,r1ex24016
           - const: atmel,24c16
       - items:
           - const: giantec,gt24c32a