thermal/drivers/samsung: Add Exynos ACPM TMU driver GS101

Add driver for the Thermal Management Unit (TMU) managed via the Alive
Clock and Power Manager (ACPM), found on Samsung Exynos SoCs such as
the Google GS101.

The TMU on the GS101 utilizes a hybrid management model shared between
the Application Processor (AP) and the ACPM firmware. The driver
maintains direct memory-mapped access to the TMU interrupt pending
registers to identify thermal events, while delegating functional
tasks - such as sensor initialization, threshold configuration, and
temperature acquisition, to the ACPM firmware via the ACPM IPC
protocol.

Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@kernel.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Acked-by: Peter Griffin <peter.griffin@linaro.org>
Reviewed-by: Alexey Klimov <alexey.klimov@linaro.org>
Reviewed-by: André Draszik <andre.draszik@linaro.org>
Link: https://patch.msgid.link/20260603-acpm-tmu-v8-2-0f1810a356e6@linaro.org

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