dts: arm: ti: cc23x0: Add RTC support

Add support for RTC counter to cc23x0 SoC.

Signed-off-by: Stoyan Bogdanov <[email protected]>

Author: bogdanovs

dts/arm/ti/cc23x0.dtsi

@@ -109,6 +109,13 @@
 			reg = <0x40001000 0x310>;
 			status = "disabled";
 		};
+
+		rtc0: rtc@40002000 {
+			compatible = "ti,cc23x0-rtc";
+			reg = <0x40002000 0x64>;
+			interrupts = <3 0>;
+			status = "disabled";
+		};
 	};
 };