dt-bindings: nvme: apple: Add apple,t8112-nvme-ans2 compatible string

"apple,t8112-nvme-ans2" as found on Apple M2 SoCs is compatible with the
existing driver. Add its SoC specific compatible string to allow special
handling if it'll be necessary.
t8112 uses only 2 power-domains as no 4 and 8 TB configurations are
offered.

Acked-by: Krzysztof Kozlowski <[e-mail]>
Signed-off-by: Janne Grunau <[e-mail]>
Signed-off-by: Hector Martin <[e-mail]>

Documentation/devicetree/bindings/nvme/apple,nvme-ans.yaml

···
     items:
       - enum:
           - apple,t8103-nvme-ans2
+          - apple,t8112-nvme-ans2
           - apple,t6000-nvme-ans2
       - const: apple,nvme-ans2
 
···
   properties:
     compatible:
       contains:
-        const: apple,t8103-nvme-ans2
+        enum:
+          - apple,t8103-nvme-ans2
+          - apple,t8112-nvme-ans2
 then:
   properties:
     power-domains: