dt-bindings: clock: qcom,hfpll: Document MSM8976 compatibles

Document MSM8976 HFPLL compatibles.

Signed-off-by: Adam Skladowski <a39.skl@gmail.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230812112534.8610-5-a39.skl@gmail.com


Signed-off-by: Bjorn Andersson <andersson@kernel.org>