dt-bindings: spmi: Add Apple A11 and T2 compatible

The SPMI bus found on Apple A11 and T2 SoCs are compatible with the
existing driver for t8103's spmi so add their compatibles.

Signed-off-by: Nick Chan <towinchenmi@gmail.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Sven Peter <sven@kernel.org>

Documentation/devicetree/bindings/spmi/apple,spmi.yaml

@@ -18,7 +18,10 @@ properties:
   compatible:
     oneOf:
       - items:
-          - const: apple,t6020-spmi
+          - enum:
+              - apple,t6020-spmi
+              - apple,t8012-spmi
+              - apple,t8015-spmi
           - const: apple,t8103-spmi
       - items:
           - enum: