Remove unneeded semicolon.

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

Fixes: 0115a63c ("iio: humidity: Add TI HDC20x0 support")
CC: Eugene Zaikonnikov <ez@norphonic.com>
Signed-off-by: kernel test robot <lkp@intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>