The LM75 detection method was a bit loose so far and would accept
non-LM75-compatible chips from times to times. It should be better now.
Additionally, the help for the lm75 driver was reworked because we now
know that the LM75 and the LM77 are not compatible.


Signed-off-by: Jean Delvare <khali at linux-fr dot org>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>