arm64: dts: qcom: msm8996: Fix UFS PHY clocks

QMP PHY used in MSM8996 requires 2 clocks:

* ref - 19.2MHz reference clock from RPM
* qref - QREF clock from GCC

Fixes: 27520210 ("arm64: dts: qcom: msm8996: Use generic QMP driver for UFS")
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20240131-ufs-phy-clock-v3-5-58a49d2f4605@linaro.org


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