arm64: dts: qcom: msm8998-clamshell: Add missing vdda supplies

'vdda-phy-supply' and 'vdda-pll-supply' are required properties.  Add
them to fix the dtbs_check warnings below.

phy@1da7000: 'vdda-phy-supply' is a required property
        arch/arm64/boot/dts/qcom/msm8998-asus-novago-tp370ql.dt.yaml
        arch/arm64/boot/dts/qcom/msm8998-hp-envy-x2.dt.yaml
        arch/arm64/boot/dts/qcom/msm8998-lenovo-miix-630.dt.yaml

phy@1da7000: 'vdda-pll-supply' is a required property
        arch/arm64/boot/dts/qcom/msm8998-asus-novago-tp370ql.dt.yaml
        arch/arm64/boot/dts/qcom/msm8998-hp-envy-x2.dt.yaml
        arch/arm64/boot/dts/qcom/msm8998-lenovo-miix-630.dt.yaml

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210929034253.24570-8-shawn.guo@linaro.org