arm64: dts: renesas: r9a09g056: Add TSU nodes

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The Renesas RZ/V2N SoC includes a Thermal Sensor Unit (TSU) block designed
to measure the junction temperature. The device provides real-time
temperature measurements for thermal management, utilizing two dedicated
channels for temperature sensing:
- TSU0, which is located near the DRP-AI block
- TSU1, which is located near the CPU and DRP-AI block

Since TSU1 is physically closer the CPU and the highest temperature
spot, it is used for CPU throttling through a passive trip and cooling
map. TSU0 is configured only with a critical trip.

Add TSU nodes along with thermal zones and keep them enabled in the SoC
DTSI.

Signed-off-by: Ovidiu Panait <ovidiu.panait.rb@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20251209091115.8541-4-ovidiu.panait.rb@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

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Ovidiu Panait 2025-12-09 09:11:15 +00:00 • committed by Geert Uytterhoeven

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commit f3d22e5f63

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arch/arm64/boot/dts/renesas/r9a09g056.dtsi

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