hwmon: (ntc_thermistor) Fix module name in the Kconfig

The module name is incorrectly stated with a hyphen while it is an
underscore.

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Maud Spierings <maudspierings@gocontroll.com>
Link: https://lore.kernel.org/r/20250227-ntc_thermistor_fixes-v1-1-70fa73200b52@gocontroll.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Author: SpieringsAE

drivers/hwmon/Kconfig

@@ -1625,7 +1625,7 @@ config SENSORS_NTC_THERMISTOR
 	  B57891S0103 from EPCOS.
 
 	  This driver can also be built as a module. If so, the module
-	  will be called ntc-thermistor.
+	  will be called ntc_thermistor.
 
 config SENSORS_NCT6683
 	tristate "Nuvoton NCT6683D"