riscv: dts: jh7110: add power management unit controller node

JH7110 has a power management unit controller node. Add this node.

This device is used by OpenSBI during board reset/shutdown.

Signed-off-by: Nam Cao <namcao@linutronix.de>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
diff --git a/arch/riscv/dts/jh7110.dtsi b/arch/riscv/dts/jh7110.dtsi
index 6d2675d..2cdc683 100644
--- a/arch/riscv/dts/jh7110.dtsi
+++ b/arch/riscv/dts/jh7110.dtsi
@@ -473,6 +473,12 @@
 			status = "disabled";
 		};
 
+		power-controller@17030000 {
+			compatible = "starfive,jh7110-pmu";
+			reg = <0x0 0x17030000 0x0 0x10000>;
+			interrupts = <111>;
+		};
+
 		qspi: spi@13010000 {
 			compatible = "cdns,qspi-nor";
 			reg = <0x0 0x13010000 0x0 0x10000