dt-bindings: soc: qcom: smd-rpm: Add MSM8226 compatible

Add the dt-binding for the rpm on the Qualcomm MSM8226 SoC platform.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Bartosz Dudziak <bartosz.dudziak@snejp.pl>
Link: https://lore.kernel.org/r/20210502122027.9351-2-bartosz.dudziak@snejp.plSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Documentation/devicetree/bindings/soc/qcom/qcom,smd-rpm.yaml

@@ -32,6 +32,7 @@ properties:
     enum:
       - qcom,rpm-apq8084
       - qcom,rpm-ipq6018
+      - qcom,rpm-msm8226
       - qcom,rpm-msm8916
       - qcom,rpm-msm8974
       - qcom,rpm-msm8976