arm64: dts: rockchip: configure thermal shutdown for BPI-R2-Pro

Add thermal shutdown configuration for use of GPU.
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
Link: https://lore.kernel.org/r/20220606170803.478082-5-linux@fw-web.deSigned-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts

@@ -588,6 +588,8 @@ &spi3 {
 };
 
 &tsadc {
+	rockchip,hw-tshut-mode = <1>;
+	rockchip,hw-tshut-polarity = <0>;
 	status = "okay";
 };