hwmon: (dell-smm-hwmon) Fix index values

When support for up to 10 temp sensors and for disabling automatic BIOS
fan control was added, noone updated the index values used for
disallowing fan support and fan type calls.
Fix those values.

Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Reviewed-by: Pali Rohár <pali@kernel.org>
Link: https://lore.kernel.org/r/20210513154546.12430-1-W_Armin@gmx.de
Fixes: 1bb46a20

 ("hwmon: (dell-smm) Support up to 10 temp sensors")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>