ARM: dts: qcom: pma8084: Add pwrkey entry

This patch adds the power key device tree node.
Signed-off-by: NAndy Gross <andy.gross@linaro.org>
Reviewed-by: NBjorn Andersson <bjorn.andersson@linaro.org>

arch/arm/boot/dts/qcom-pma8084.dtsi

@@ -18,6 +18,14 @@
 			interrupts = <0x0 0x61 0x1 IRQ_TYPE_EDGE_RISING>;
 		};
 
+		pwrkey@800 {
+			compatible = "qcom,pm8941-pwrkey";
+			reg = <0x800>;
+			interrupts = <0x0 0x8 0 IRQ_TYPE_EDGE_BOTH>;
+			debounce = <15625>;
+			bias-pull-up;
+		};
+
 		pma8084_gpios: gpios@c000 {
 			compatible = "qcom,pma8084-gpio", "qcom,spmi-gpio";
 			reg = <0xc000>;