power: supply: axp288_charger: Fix initial constant_charge_current value

power: supply: axp288_charger: Fix initial constant_charge_current value

[ Upstream commit f2a42595f0865886a2d40524b0e9d15600848670 ]

We should look at val which contains the value read from the register,
not ret which is always 0 on a successful read.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Fixes: eac53b3664f59 ("power: supply: axp288_charger: Drop platform_data dependency")
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>