Add support for nct677x sensors found on Asus Z77 motherboards
    
    Backport the existing driver found on Kernel 3.10-rc6, on those
    changesets:
    
    169c05c hwmon: (nct6775) Do not create non-existing attributes
    6445e66 hwmon: (nct6775) Fix coding style problems
    6d4b362 hwmon: (nct6775) Constify strings
    c409fd4 hwmon: (nct6775) Use ARRAY_SIZE for loops where possible
    573728c hwmon: (nct6775) Enable both AUXTIN and VIN3 on NCT6776
    2c7fd30 hwmon: (nct6775) Expand scope of supported chips
    236d903 hwmon: (nct6775) Drop read/write lock
    0fc1f8f hwmon: (nct6775) Only report VID if supported and enabled
    8e9285b hwmon: (nct6775) Detect and report additional temperature sources
    bbd8dec hwmon: (nct6775) Add support for weighted fan control
    cdcaece hwmon: (nct6775) Add support for automatic fan control
    77eb5b3 hwmon: (nct6775) Add support for pwm, pwm_mode, and pwm_enable
    84d19d9 hwmon: (nct6775) Add power management support
    47ece96 hwmon: (nct6775) Add support for fan debounce module parameter
    5c25d95 hwmon: (nct6775) Add support for fanX_pulses sysfs attribute
    1c65dc3 hwmon: (nct6775) Add support for fan speed attributes
    aa136e5 hwmon: (nct6775) Add support for temperature sensors
    a6bd587 hwmon: (nct6775) Add case open detection
    9de2e2e hwmon: Driver for Nuvoton NCT6775F, NCT6776F, and NCT6779D
    
    Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>