arm64: dts: rockchip: enable tsadc on px30-evb

Enable the tsadc thermal controller on px30-evb.
Signed-off-by: Heiko Stuebner <heiko.stuebner@theobroma-systems.com>
Link: https://lore.kernel.org/r/20191116095249.31193-2-heiko@sntech.de

arch/arm64/boot/dts/rockchip/px30-evb.dts

@@ -485,6 +485,12 @@ &sdio {
 	status = "okay";
 };
 
+&tsadc {
+	rockchip,hw-tshut-mode = <1>;
+	rockchip,hw-tshut-polarity = <1>;
+	status = "okay";
+};
+
 &u2phy {
 	status = "okay";