hwmon: (lm75) added error handling
hwmon: (lm75) added error handling

Add error handling so if lm75_update_device fails
an error is returned when reading the value through sysfs.
This is closely modeled after the way this is handled in ltc4261.

Signed-off-by: Frans Meulenbroeks <6def945a6cdf470073fde46d27fb7849dda40aca@gmail.com>
Signed-off-by: Guenter Roeck <32ce62c5480002985aec58d7044038218061ef55@ericsson.com>

KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas