Input: zinitix - remove unneeded semicolon

Eliminate the following coccicheck warning:
./drivers/input/touchscreen/zinitix.c:164:31-32: Unneeded semicolon

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Link: https://lore.kernel.org/r/1612319443-115831-1-git-send-email-yang.lee@linux.alibaba.com


Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>