thermal/drivers/imx8mm_thermal: Validate temperature range

thermal/drivers/imx8mm_thermal: Validate temperature range

[ Upstream commit 30e49d2571e92cc87d2ec6f86e145619aab274c2 ]

Check against the upper temperature limit (125 degrees C) before
consider the temperature valid.

Fixes: b5fd60395ccf ("thermal: imx8mm: Add support for i.MX8MM thermal monitoring unit")
Signed-off-by: Marcus Folkesson <marcus.folkesson@gmail.com>
Reviewed-by: Jacky Bai <ping.bai@nxp.com>
Link: https://lore.kernel.org/r/20221014073507.1594844-1-marcus.folkesson@gmail.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>