ARM: dts: MSM8974: Add restart node

Add the restart node so we can reboot the device.
Signed-off-by: NStephen Boyd <sboyd@codeaurora.org>
Signed-off-by: NDavid Brown <davidb@codeaurora.org>
Signed-off-by: NOlof Johansson <olof@lixom.net>

arch/arm/boot/dts/qcom-msm8974.dtsi

@@ -29,5 +29,10 @@
 				     <1 1 0xf08>;
 			clock-frequency = <19200000>;
 		};
+
+		restart@fc4ab000 {
+			compatible = "qcom,pshold";
+			reg = <0xfc4ab000 0x4>;
+		};
 	};
 };