boards: sifli: sf32lb52_devkit_lcd: enable temp sensor

enable temp sensor 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

@@ -149,3 +149,7 @@
 	pinctrl-names = "default";
 	clock-frequency = <I2C_BITRATE_FAST>;
 };
+
+temp_sensor: &tsen {
+	status = "okay";
+};