hwmon: Document the samples attributes

		1: enable

		1: enable

		RW

		RW

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* Average sample configuration *

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Devices allowing for reading {in,power,curr,temp}_average values may export

attributes for controlling number of samples used to compute average.

samples		Sets number of average samples for all types of measurements.

		RW

in_samples

power_samples

curr_samples

temp_samples    Sets number of average samples for specific type of measurements.

		Note that on some devices it won't be possible to set all of them

		to different values so changing one might also change some others.

		RW

sysfs attribute writes interpretation

sysfs attribute writes interpretation

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