hwmon: (lm90) Add flag to indicate conversion rate support

A flag indicating support for setting the conversion rate 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 18:14:35 -08:00
commit ca6bfa3b73