docs: hwmon: add RAA228244 and RAA228246 info to isl68137 documentation

The Renesas RAA228244 and RAA228246 are recently released digital
multiphase controllers.

Signed-off-by: Grant Peltier <grantpeltier93@gmail.com>
Link: https://lore.kernel.org/r/ddeaf4d2fd1f9c85302ee9b5bf16cfaecf9b89ad.1756331945.git.grantpeltier93@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Grant Peltier 2025-08-27 17:42:47 -05:00 • committed by Guenter Roeck
commit 3d5fcffcdf