hwmon: (ucd9000) Add support for UCD90160 Power Supply Sequencer

The UCD90160 Power Supply Sequencer reuses the existing register layout,
so just an id addition was required.

Signed-off-by: Matthew Weber <matthew.weber@rockwellcollins.com>
Signed-off-by: Ronak Desai <ronak.desai@rockwellcollins.com>
[groeck: Updated description, ordered alphabetically, added documentation]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>