hwmon: (lm90) Add flag to indicate support for minimum temperature limits

A flag indicating support for minimum temperature limits doesn't cost much
and will enable us to add support for MAX6642 to the lm90 driver.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Guenter Roeck 2021-11-15 17:48:13 -08:00
commit 2cb8d9d831