regulator: max77802: Add input supply properties to DT binding doc

The max77802 regulator driver defines the supply name for each regulator
so these can be described in DT but is not mentioned in the binding doc.

Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
1 file changed