dt-bindings: mfd: qcom-spmi-pmic: Document SMB2360 PMIC

Add bindings for SMB2360 PMIC. This PMIC is found in boards like
X1 Elite CRD and QCP.
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20240527-smb2360-bindings-mfd-qcom-spmi-pmic-v1-1-31a2c051529c@linaro.orgSigned-off-by: Lee Jones <lee@kernel.org>

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

@@ -95,6 +95,7 @@ properties:
           - qcom,pmx65
           - qcom,pmx75
           - qcom,smb2351
+          - qcom,smb2360
       - const: qcom,spmi-pmic
 
   reg: