arm64: dts: qcom: sm8250: drop bogus DP PHY clock

arm64: dts: qcom: sm8250: drop bogus DP PHY clock

[ Upstream commit bb9f23e46ddcebe1bc68a43a0f7acfc1865a6472 ]

The QMP pipe clock is used by the USB part of the PHY so drop the
corresponding properties from the DP child node.

Fixes: 5aa0d1becd5b ("arm64: dts: qcom: sm8250: switch usb1 qmp phy to USB3+DP mode")
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221026152511.9661-2-johan+linaro@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>