arm64: dts: broadcom: bcm2712: Add watchdog DT node

Add watchdog device-tree node for bcm2712 SoC.

Signed-off-by: Stanimir Varbanov <svarbanov@suse.de>
Link: https://lore.kernel.org/r/20251031183309.1163384-5-svarbanov@suse.de
Signed-off-by: Florian Fainelli <florian.fainelli@broadcom.com>

Author: Stanimir Varbanov

arch/arm64/boot/dts/broadcom/bcm2712.dtsi

@@ -250,6 +250,15 @@
 			status = "disabled";
 		};
 
+		pm: watchdog@7d200000 {
+			compatible = "brcm,bcm2712-pm", "brcm,bcm2835-pm-wdt";
+			reg = <0x7d200000 0x604>;
+			reg-names = "pm";
+			#power-domain-cells = <1>;
+			#reset-cells = <1>;
+			system-power-controller;
+		};
+
 		pinctrl: pinctrl@7d504100 {
 			compatible = "brcm,bcm2712c0-pinctrl";
 			reg = <0x7d504100 0x30>;