ARM: dts: stm32: Enable thermal sensor support on stm32mp15xx-dkx

Enable STM32 Digital Thermal Sensor driver for stm32mp15xx-dkx boards.
Signed-off-by: Pascal Paillet <p.paillet@st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>

arch/arm/boot/dts/stm32mp15xx-dkx.dtsi

@@ -116,6 +116,10 @@ &cec {
 	status = "okay";
 };
 
+&dts {
+	status = "okay";
+};
+
 &ethernet0 {
 	status = "okay";
 	pinctrl-0 = <&ethernet0_rgmii_pins_a>;