dt-bindings: ufs: qcom,ufs: drop source clock entries

There is no need to mention and/or to touch in any way the intermediate
(source) clocks. Drop them from MSM8996 UFSHCD schema, making it follow
the example lead by all other platforms.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240528-msm8996-fix-ufs-v5-1-b475c341126e@linaro.org


Signed-off-by: Rob Herring (Arm) <robh@kernel.org>