power: supply: sbs-charger: Fix INHIBITED bit for Status reg

CHARGE_INHIBITED bit position of the ChargerStatus register is actually
0 not 1. This patch corrects it.

Fixes: feb583e3 ("power: supply: add sbs-charger driver")
Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>