boards: sifli: sf32lb52_devkit_lcd: enable trng

Enable trng on sf32lb52_devkit_lcd board

Signed-off-by: Qingsong Gou <gouqs@hotmail.com>

Author: ck-telecom

boards/sifli/sf32lb52_devkit_lcd/sf32lb52_devkit_lcd.dts

@@ -23,6 +23,7 @@
 		zephyr,code-partition = &code;
 		zephyr,console = &usart1;
 		zephyr,shell-uart = &usart1;
+		zephyr,entropy = &trng;
 	};
 
 	buttons {
@@ -136,3 +137,7 @@
 &wdt {
 	status = "okay";
 };
+
+&trng {
+	status = "okay";
+};