HID: Add Cando touch screen 15.6-inch product id

This add the product id of the touch screen found on ACER Aspire 5738PZ.  Works
with hid-cando driver.

Signed-off-by: Francois <Jaouen&lt;francois.jaouen@laposte.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>