thermal/drivers/mtk_thermal: Fix kernel-doc function name

Use the correct function name in a kernel-doc comment to prevent
a warning:

drivers/thermal/mtk_thermal.c:562: warning: expecting prototype for raw_to_mcelsius(). Prototype was for raw_to_mcelsius_v1() instead
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Amit Kucheria <amitk@kernel.org>
Cc: Zhang Rui <rui.zhang@intel.com>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Cc: linux-pm@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-mediatek@lists.infradead.org
Link: https://lore.kernel.org/r/20230113064449.15061-1-rdunlap@infradead.orgSigned-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>

drivers/thermal/mtk_thermal.c

@@ -550,7 +550,7 @@ static const struct mtk_thermal_data mt8183_thermal_data = {
 };
 
 /**
- * raw_to_mcelsius - convert a raw ADC value to mcelsius
+ * raw_to_mcelsius_v1 - convert a raw ADC value to mcelsius
  * @mt:	The thermal controller
  * @sensno:	sensor number
  * @raw:	raw ADC value