arm64: dts: qcom: x1e80100-qcp: fix missing PCIe4 gpios

Add the missing PCIe4 perst, wake and clkreq GPIOs and pin config.

Fixes: f9a9c11 ("arm64: dts: qcom: x1e80100-qcp: Enable more support")
Cc: stable@vger.kernel.org	# 6.9
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240722095459.27437-5-johan+linaro@kernel.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>

Author: jhovold

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

@@ -660,6 +660,12 @@
 };
 
 &pcie4 {
+	perst-gpios = <&tlmm 146 GPIO_ACTIVE_LOW>;
+	wake-gpios = <&tlmm 148 GPIO_ACTIVE_LOW>;
+
+	pinctrl-0 = <&pcie4_default>;
+	pinctrl-names = "default";
+
 	status = "okay";
 };
 
@@ -804,6 +810,29 @@
 		bias-disable;
 	};
 
+	pcie4_default: pcie4-default-state {
+		clkreq-n-pins {
+			pins = "gpio147";
+			function = "pcie4_clk";
+			drive-strength = <2>;
+			bias-pull-up;
+		};
+
+		perst-n-pins {
+			pins = "gpio146";
+			function = "gpio";
+			drive-strength = <2>;
+			bias-disable;
+		};
+
+		wake-n-pins {
+			pins = "gpio148";
+			function = "gpio";
+			drive-strength = <2>;
+			bias-pull-up;
+		};
+	};
+
 	pcie6a_default: pcie6a-default-state {
 		clkreq-n-pins {
 			pins = "gpio153";