iio: health: max30102: Add MAX30105 support

The Maxim MAX30105 part adds a third LED (green) and uses a multi-LED
measuring mode producing three measurements

Signed-off-by: Peter Meerwald-Stadler <pmeerw@pmeerw.net>
Acked-by: Matt Ranostay <matt.ranostay@konsulko.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>