Industrial 8 channel output with advanced diagnostics.
Allowing giagnostic configuration both on per channel or global bases
In SPI communication diagnostic status transmitted on every
READ/WRITE which includes generic status of chip.
Diagnostics includes :
* Oveload
* Open Wire
* Over current
* Short to VDD
* Thermal Shutdown
* VDD Warn
* Watch Dog Error
* Communication Error
* VDD under voltage
Add app.overlay for MAX14916 driver.
Tested with adopted basic/blinky example.
Signed-off-by: Stoyan Bogdanov <sbogdanov@baylibre.com>
