dts/arm: stm32: Adding rng (Random Number Generator)

This commit adds rng in stm32f2 dtsi.

Signed-off-by: Krishna Mohan Dani <[email protected]>

Author: ikmdani

dts/arm/st/f2/stm32f2.dtsi

@@ -14,6 +14,7 @@
 
 / {
 	chosen {
+		zephyr,entropy = &rng;
 		zephyr,flash-controller = &flash;
 	};
 
@@ -538,6 +539,15 @@
 			};
 		};
 
+		rng: rng@50060800 {
+			compatible = "st,stm32-rng";
+			reg = <0x50060800 0x400>;
+			interrupts = <80 0>;
+			clocks = <&rcc STM32_CLOCK_BUS_AHB2 0x00000040>;
+			status = "disabled";
+			label = "RNG";
+		};
+
 		backup_sram: memory@40024000 {
 			compatible = "st,stm32-backup-sram";
 			reg = <0x40024000 DT_SIZE_K(4)>;