thermal/drivers/renesas: Remove trailing space after \n newline

There is a extraneous space after a newline in a dev_err message.
Remove it.

Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Link: https://lore.kernel.org/r/20240901162719.144406-1-colin.i.king@gmail.com


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