HID: thrustmaster: Switch to kmemdup() when allocate change_request

Use kmemdup() helper instead of open-coding to
simplify the code when allocate change_request.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
1 file changed