Fixes coccicheck warning:

drivers/power/supply/abx500_chargalg.c:1826:2-3: Unneeded semicolon
Reported-by: NHulk Robot <hulkci@huawei.com>
Signed-off-by: NMa Feng <mafeng.ma@huawei.com>
Signed-off-by: NSebastian Reichel <sebastian.reichel@collabora.com>