mfd: qcom-spmi-pmic: Add pm7250b compatible

Document the compatible for pm7250b that is used with e.g. sm6350.

Also while we're at it, sort the compatibles alphabetically.
Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20220902111055.106814-1-luca.weiss@fairphone.com

Documentation/devicetree/bindings/mfd/qcom,spmi-pmic.yaml

@@ -33,11 +33,12 @@ properties:
   compatible:
     items:
       - enum:
-          - qcom,pm660
-          - qcom,pm660l
           - qcom,pm6150
           - qcom,pm6150l
           - qcom,pm6350
+          - qcom,pm660
+          - qcom,pm660l
+          - qcom,pm7250b
           - qcom,pm7325
           - qcom,pm8004
           - qcom,pm8005