power: supply: axp20x_usb_power: add input-current-limit-microamp

Allow users to specify a maximum input current for the device. Some
devices allow up to 3.25A of input current (such as the AXP717), which
may be too much for some implementations.

Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240821215456.962564-7-macroalpha82@gmail.com


Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>