thermal/drivers/mediatek/lvts_thermal: Make read-only arrays static const

Don't populate the read-only arrays on the stack at run time, instead
make them static const.

Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Reviewed-by: Nicolas Pitre <npitre@baylibre.com>
Link: https://lore.kernel.org/r/20241022184622.1296044-1-colin.i.king@gmail.com


Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>