power: supply: axp288_fuel_gauge: Fix define alignment

The values of various defines used in the driver are not aligned
properly when tabsize is set to 8 (I guess they were created with
a different tabsize).

Properly align the defines to make the code easier to read.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>