Since commit 765e5fbd merged the sis quirk,
then USB_VENDOR_ID_SIS2_TOUCH remains undefined.
Reported-by: NFengguang Wu <fengguang.wu@intel.com>
Signed-off-by: NWanlong Gao <gaowanlong@cn.fujitsu.com>
Signed-off-by: NJiri Kosina <jkosina@suse.cz>