arm64: dts: qcom: Add MSM8916 restart device node

Add the restart node so we can reboot the device.
Signed-off-by: NIvan T. Ivanov <ivan.ivanov@linaro.org>
Signed-off-by: NKumar Gala <galak@codeaurora.org>

arch/arm64/boot/dts/qcom/msm8916.dtsi

@@ -77,6 +77,11 @@
 		ranges = <0 0 0 0xffffffff>;
 		compatible = "simple-bus";
 
+		restart@4ab000 {
+			compatible = "qcom,pshold";
+			reg = <0x4ab000 0x4>;
+		};
+
 		pinctrl@1000000 {
 			compatible = "qcom,msm8916-pinctrl";
 			reg = <0x1000000 0x300000>;