The DT binding doc references the max77802 clocks header file which makes
no sense since of course it doesn't contain data related to the regulators.

It's a copy and paste error, so add a reference to the correct header file.
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>