power: supply: fix semicolon.cocci warnings

drivers/power/supply/ucs1002_power.c:339:2-3: Unneeded semicolon

 Remove unneeded semicolon.

Generated by: scripts/coccinelle/misc/semicolon.cocci

Fixes: 9a2688e4 ("power: supply: Add driver for Microchip UCS1002")
CC: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>