hwmon: (pmbus/max17616) add driver for max17616

hwmon: (pmbus/max17616) add driver for max17616

Add support for MAX17616/MAX17616A current-limiter with
overvoltage/surge, undervoltage, reverse polarity, loss of ground
protection with PMBus interface. The PMBus interface allows monitoring
of input/output voltages, output current and temperature.

Signed-off-by: Kim Seer Paller <kimseer.paller@analog.com>
Link: https://lore.kernel.org/r/20250930-upstream-max17616-v1-2-1525a85f126c@analog.com
[groeck: Fixed htmldocs 'WARNING: Title underline too short'
 as reported by Kriish Sharma <kriish.sharma2006@gmail.com>]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>