dt-bindings: clock: add rpmhcc bindings for sdm670

The Snapdragon 670 uses the RPMh mailbox for some clocks. Document its
support.

Signed-off-by: Richard Acayan <[email protected]>
Acked-by: Krzysztof Kozlowski <[email protected]>
Signed-off-by: Bjorn Andersson <[email protected]>
Link: https://lore.kernel.org/r/[email protected]

Author: flamingradian

Documentation/devicetree/bindings/clock/qcom,rpmhcc.yaml

@@ -21,6 +21,7 @@ properties:
       - qcom,sc7280-rpmh-clk
       - qcom,sc8180x-rpmh-clk
       - qcom,sc8280xp-rpmh-clk
+      - qcom,sdm670-rpmh-clk
       - qcom,sdm845-rpmh-clk
       - qcom,sdx55-rpmh-clk
       - qcom,sdx65-rpmh-clk