arm64: dts: qcom: msm8996: drop source clock entries from the UFS node

arm64: dts: qcom: msm8996: drop source clock entries from the UFS node

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: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240408-msm8996-fix-ufs-v4-4-ee1a28bf8579@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>