arm64: dts: qcom: msm8996: use dsi1_phy for the MMCC's dsi1 clocks

Link dsi1_phy as a clock provider of "dsi1pll" and "dsi1pllbyte" clocks
to the MMCC.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221030161612.95471-2-dmitry.baryshkov@linaro.org