arm64: dts: qcom: sm6350: drop bogus DP PHY clock

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

Fixes: 23737b95 ("arm64: dts: qcom: sm6350: Add USB1 nodes")
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221026152511.9661-3-johan+linaro@kernel.org

arch/arm64/boot/dts/qcom/sm6350.dtsi

@@ -1154,9 +1154,6 @@ dp_phy: dp-phy@88ea200 {
 				      <0 0x088eaa00 0 0x100>;
 				#phy-cells = <0>;
 				#clock-cells = <1>;
-				clocks = <&gcc GCC_USB3_PRIM_PHY_PIPE_CLK>;
-				clock-names = "pipe0";
-				clock-output-names = "usb3_phy_pipe_clk_src";
 			};
 		};