i8k: Add support for temperature sensor labels

This patch adds labels for temperature sensors if SMM function with EAX register
0x11a3 reports it. This information was taken from DOS binary NBSVC.MDM.

Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Pali Rohár <pali.rohar@gmail.com>
Tested-by: Steven Honeyman <stevenhoneyman@gmail.com>
Tested-by: Gabriele Mazzotta <gabriele.mzt@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>