arm64: dts: qcom: x1e80100-slim7x: Drop orientation-switch from USB SS[0-1] QMP PHYs

The orientation-switch is already set in the x1e80100 SoC dtsi,
so drop from Slim 7X dts.

Fixes: 45247fe1 ("arm64: dts: qcom: x1e80100: add Lenovo Thinkpad Yoga slim 7x devicetree")
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20241014-x1e80100-dts-drop-orientation-switch-v1-1-26afa6d4afd9@linaro.org


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