arm64: dts: qcom: x1e80100-qcp: disable PCIe6a perst pull down

Disable the PCIe6a perst pull-down resistor to save some power.
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20240722095459.27437-4-johan+linaro@kernel.orgSigned-off-by: Bjorn Andersson <andersson@kernel.org>

arch/arm64/boot/dts/qcom/x1e80100-qcp.dts

@@ -816,7 +816,7 @@ perst-n-pins {
 			pins = "gpio152";
 			function = "gpio";
 			drive-strength = <2>;
-			bias-pull-down;
+			bias-disable;
 		};
 
 		wake-n-pins {