devicetree: mfd: max14577: Add device tree bindings document
devicetree: mfd: max14577: Add device tree bindings document

Add document describing device tree bindings for MAX14577 MFD
drivers: MFD core, extcon, regulator and charger.

Both MAX14577 and MAX77836 chipsets are documented.

Signed-off-by: Krzysztof Kozlowski <1a8531307367602b8284517edb33d53d54e5ce8e@samsung.com>
Reviewed-by: Tomasz Figa <c4885e520559c7b5b4fe1e9e188b924d2debd35e@samsung.com>
Acked-by: Andrew Morton <5c1e68b099950c134891f0b6e179498a8ebe9cf9@linux-foundation.org>
Signed-off-by: Lee Jones <630e34333487a351a857f6b705e04d30b37c1629@linaro.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs