hwmon: (k10temp) Define SVI telemetry and current factors for Zen2 CPUs

The voltage telemetry registers for Zen2 are different from Zen1. Also
the factors of CPU current values are changed on Zen2. Add new definitions
for these register.

Signed-off-by: Wei Huang <wei.huang2@amd.com>
Link: https://lore.kernel.org/r/20200827054242.2347-2-wei.huang2@amd.com


Signed-off-by: Guenter Roeck <linux@roeck-us.net>