Device-specific ADC API extensions

Topics
	ADS131M02
	Texas Instruments 2 channels SPI ADC.
	ADS1x4s0x
	Texas Instruments ADS1x4s0x.
	Current Sense Amplifier
	Current Sense Amplifier.
	Current Sense Shunt
	Current Sense Shunt.
	LMP90xxx
	Texas Instruments LMP90xxx Analog Front End (AFE)
	Voltage Divider
	Voltage Divider.

Detailed Description