hwmon: (max1668) Convert to use regmap

Use regmap for caching to simplify the code and to hide read/write
register address differences.

Reviewed-by: Tzung-Bi Shih <tzungbi@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Guenter Roeck 2024-07-15 07:18:57 -07:00
commit 021730acbc