arm64: dts: qcom: msm8976: Add restart node

Add a pshold restart node what can be found in downstream for
enable to perform restart operations.

Signed-off-by: Barnabás Czémán <barnabas.czeman@mainlining.org>
Link: https://lore.kernel.org/r/20240807-pshold-v1-1-0fa7927e99ce@mainlining.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>

arch/arm64/boot/dts/qcom/msm8976.dtsi

@@ -663,6 +663,11 @@
 			#thermal-sensor-cells = <1>;
 		};
 
+		restart@4ab000 {
+			compatible = "qcom,pshold";
+			reg = <0x004ab000 0x4>;
+		};
+
 		tlmm: pinctrl@1000000 {
 			compatible = "qcom,msm8976-pinctrl";
 			reg = <0x01000000 0x300000>;