power: supply: bq25890: Use the correct range for IILIM register

I've checked bq25890, bq25892, bq25895 and bq25896 datasheets and
they all define IILIM to be between 100mA-3.25A with 50mA steps.

Fixes: 478efc79

 ("power: bq25890: implement INPUT_CURRENT_LIMIT property")
Signed-off-by: Sebastian Krzyszkowiak <sebastian.krzyszkowiak@puri.sm>
Reviewed-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>