hwmon: (lm90) Use enums for the indexes of temp8 and temp11
hwmon: (lm90) Use enums for the indexes of temp8 and temp11

Using enums for the indexes and nrs of temp8 and temp11.
This make the code much more readable.

Signed-off-by: Wei Ni <e00c330fbe547eef303c59736cf80909d6b41757@nvidia.com>
Signed-off-by: Jean Delvare <49ad6a9f5aa17024c23048df346d55bda6837e01@linux-fr.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs